| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Excision of lesion of lymph structure | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Alpha heavy chain disease, respiratory form | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Lymphoid hyperplasia of stomach | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Obliteration of lymphatic structure | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Aspiration of bone marrow from donor for transplant | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Lymphomatoid papulosis | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 3 | 
| Bone marrow aspiration procedure, sternum | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Familial hemophagocytic lymphohistiocytosis | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Incision and exploration of lymphatic structure | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Injection procedure for lymphangiography | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Bone marrow aspiration procedure, posterior iliac crest | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Operation on bone marrow | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Medical procedure on lymphatic system | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Lymphoid interstitial pneumonia | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Pseudolymphoma of lung in Sjögren's disease (disorder) | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Autologous bone marrow transplant with purging | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Bone marrow aspiration procedure | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Operation on lymphatic structure | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Simple excision of cystic hygroma | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Biclonal gammopathy | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Actinic reticuloid | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Transplantation of lymphatic structure | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Bone marrow biopsy, needle or trocar (procedure) | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Allogeneic bone marrow transplantation | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Autologous bone marrow transplant | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Lethal midline granuloma | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| maladie des chaînes lourdes epsilon | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Mu heavy chain disease | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Injection into bone marrow | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Infection-associated hemophagocytic syndrome | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Heavy chain disease | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Lymphoid hyperplasia of appendix | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Bone marrow aspiration procedure, tibia | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Lymphangiectomy | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Incision of lymphangioma | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| X-linked lymphoproliferative syndrome | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Bone marrow aspiration procedure, other | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Bone marrow aspiration procedure, spine | Procedure site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Acute leukemia in remission | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Acute leukemia | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Acute lymphoid leukemia in remission | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Acute lymphoid leukemia | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Acute monocytic leukemia in remission | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 4 | 
| Acute monocytic leukemia, FAB M5 | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 4 | 
| Acute myeloid leukemia in remission | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Acute myeloid leukemia, disease | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Chronic leukemia in remission | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Chronic leukemia | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Chronic lymphoid leukemia in remission | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Chronic lymphoid leukemia, disease | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Chronic myeloid leukemia in remission | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 3 | 
| Chronic myeloid leukemia | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Letterer-Siwe disease of lymph nodes of axilla AND/OR upper limb | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Letterer-Siwe disease of lymph nodes of head, face AND/OR neck | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Letterer-Siwe disease of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Letterer-Siwe disease of extranodal AND/OR solid organ site | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Leukaemia in remission | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Leukaemia | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Lymphoid leukemia in remission | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Malignant histiocytosis of lymph nodes of axilla AND/OR upper limb | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Malignant histiocytosis of lymph nodes of head, face AND/OR neck | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Malignant histiocytosis of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Malignant histiocytosis of extranodal AND/OR solid organ site | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Malignant lymphoma of extranodal AND/OR solid organ site | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Malignant mast cell tumor of lymph nodes of axilla AND/OR upper limb | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Malignant mast cell tumor of lymph nodes of head, face AND/OR neck | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Malignant mast cell tumor of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lymphoid system structure | Inferred relationship | Some |  | 
| Malignant mast cell tumor of extranodal AND/OR solid organ site | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Erythroleukemia in remission | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Erythroleukemia, FAB M6 | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Hodgkin's disease, lymphocytic depletion of lymph nodes of head, face AND/OR neck | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Hodgkin's disease, lymphocytic depletion of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Hodgkin's disease, lymphocytic depletion of extranodal AND/OR solid organ site | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Hodgkin's disease, lymphocytic-histiocytic predominance of lymph nodes of head, face AND/OR neck | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Hodgkin's disease, lymphocytic-histiocytic predominance of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Hodgkin's disease, lymphocytic-histiocytic predominance of extranodal AND/OR solid organ site | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Hodgkin's disease, mixed cellularity of lymph nodes of head, face AND/OR neck | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Hodgkin's disease, mixed cellularity of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Hodgkin's disease, mixed cellularity of extranodal AND/OR solid organ site | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Hodgkin's disease, nodular sclerosis of lymph nodes of head, face AND/OR neck | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Hodgkin's disease, nodular sclerosis of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Hodgkin's disease, nodular sclerosis of extranodal AND/OR solid organ site | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Hodgkin's disease of lymph nodes of head, face AND/OR neck | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Hodgkin's disease of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Hodgkin's disease of extranodal AND/OR solid organ site | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Hodgkin's granuloma of lymph nodes of head, face AND/OR neck | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Hodgkin's granuloma of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Hodgkin's granuloma of extranodal AND/OR solid organ site | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Hodgkin's paragranuloma of lymph nodes of head, face AND/OR neck | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Hodgkin's paragranuloma of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Hodgkin's paragranuloma of extranodal AND/OR solid organ site | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Hodgkin's sarcoma of lymph nodes of head, face AND/OR neck | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Hodgkin's sarcoma of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Hodgkin's sarcoma of extranodal AND/OR solid organ site | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Megakaryocytic leukemia in remission | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Acute megakaryoblastic leukemia, FAB M7 | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 4 | 
| Mycosis fungoides of extranodal AND/OR solid organ site | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 5 | 
| Myeloid leukemia in remission | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 2 | 
| Myeloid sarcoma in remission (disorder) | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Myeloid sarcoma | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 | 
| Nodular lymphoma of extranodal AND/OR solid organ site | Finding site | False | Lymphoid system structure | Inferred relationship | Some | 1 |