| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Percutaneous transluminal renal artery balloon angioplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 4 | 
| Transluminal balloon angioplasty of coronary artery NOS | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Angioplasty of hepatic artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Single vessel percutaneous transluminal coronary angioplasty with thrombolytic agent infusion | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of coronary artery obstruction by percutaneous transluminal balloon, single vessel | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal balloon angioplasty of bypass graft of coronary artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous low speed rotational coronary atherectomy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal coronary angioplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous balloon angioplasty of arteriovenous fistula | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Angioplasty of external carotid artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Angioplasty of aorta | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Angioplasty of thoracic aorta | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Angioplasty of abdominal aorta | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Angioplasty of arterial graft | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Angioplasty of vertebral artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal angioplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Intraoperative transluminal aortic angioplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Coarctation angioplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Angioplasty of aorta with prosthesis | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal angioplasty of aorta NEC | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal injection of therapeutic substance into coronary artery NEC | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Percutaneous transluminal injection of therapeutic substance into coronary artery NEC | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 4 | 
| Percutaneous transluminal coronary angioplasty by rotoablation | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal coronary angioplasty by rotoablation | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous rotational coronary endarterectomy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous rotational coronary endarterectomy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous transluminal coronary angioplasty with rotoablation, single vessel | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal coronary angioplasty with rotoablation, single vessel | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Infusion of intra-arterial thrombolytic agent with percutaneous transluminal coronary angioplasty, single vessel | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Infusion of intra-arterial thrombolytic agent with percutaneous transluminal coronary angioplasty, single vessel | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Infusion of intra-arterial thrombolytic agent with percutaneous transluminal coronary angioplasty, single vessel | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous angioplasty of brachial artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous angioplasty of brachial artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal femoropopliteal artery balloon angioplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Percutaneous transluminal femoropopliteal artery balloon angioplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Infusion of intra-arterial thrombolytic agent with percutaneous transluminal coronary angioplasty, multiple vessels | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Infusion of intra-arterial thrombolytic agent with percutaneous transluminal coronary angioplasty, multiple vessels | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Infusion of intra-arterial thrombolytic agent with percutaneous transluminal coronary angioplasty, multiple vessels | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Percutaneous transluminal renal artery balloon angioplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Percutaneous transluminal renal artery balloon angioplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Angioplasty of hepatic artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Angioplasty of hepatic artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Percutaneous balloon angioplasty of arteriovenous fistula | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Percutaneous balloon angioplasty of arteriovenous fistula | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal coronary thrombolysis using streptokinase | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal coronary thrombolysis using streptokinase | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous insertion of vesicoamniotic shunt | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous insertion of vesicoamniotic shunt | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous insertion of pleuroamniotic shunt | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous insertion of pleuroamniotic shunt | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous thrombolysis of intracranial artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous thrombolysis of intracranial artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Percutaneous thrombolysis of coronary artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous thrombolysis of coronary artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous thrombolysis of common iliac artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous thrombolysis of common iliac artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous thrombolysis of common femoral artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous thrombolysis of common femoral artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous thrombolysis of superficial femoral artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous thrombolysis of superficial femoral artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous thrombolysis of profunda femoris | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous thrombolysis of profunda femoris | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Percutaneous thrombolysis of profunda femoris | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous thrombolysis of popliteal artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous thrombolysis of popliteal artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Percutaneous thrombolysis of popliteal artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous thrombolysis of crural artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous thrombolysis of crural artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous thrombolysis of brachial artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous thrombolysis of brachial artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous venous thrombectomy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous venous thrombectomy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous thrombectomy of intracranial vein | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous thrombectomy of intracranial vein | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Percutaneous thrombolysis of lower limb artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous thrombolysis of lower limb artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous endarterectomy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous atherectomy of artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous thromboendarterectomy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous thromboendarterectomy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous coronary intervention | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Emergency percutaneous coronary intervention | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous implantation of neurostimulator electrodes into autonomic nerve | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous implantation of neurostimulator electrodes into cranial nerve | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal injection of therapeutic substance into coronary artery NEC | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal injection of therapeutic substance into coronary artery NEC | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous transluminal coronary angioplasty by rotoablation | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal coronary angioplasty by rotoablation | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Percutaneous rotational coronary endarterectomy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous rotational coronary endarterectomy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous transluminal coronary angioplasty with rotoablation, single vessel | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous transluminal coronary angioplasty with rotoablation, single vessel | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Infusion of intra-arterial thrombolytic agent with percutaneous transluminal coronary angioplasty, single vessel | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 5 | 
| Infusion of intra-arterial thrombolytic agent with percutaneous transluminal coronary angioplasty, single vessel | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Infusion of intra-arterial thrombolytic agent with percutaneous transluminal coronary angioplasty, single vessel | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous angioplasty of brachial artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous angioplasty of brachial artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous transluminal femoropopliteal artery balloon angioplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal femoropopliteal artery balloon angioplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Infusion of intra-arterial thrombolytic agent with percutaneous transluminal coronary angioplasty, multiple vessels | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Infusion of intra-arterial thrombolytic agent with percutaneous transluminal coronary angioplasty, multiple vessels | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 |