Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)
C77: Secondary and unspecified malignant neoplasm of lymph nodes

excludes1
malignant neoplasm of lymph nodes, specified as primary (C81-C86, C88, C96.-)
mesentary metastasis of carcinoid tumor (C7B.04)
secondary carcinoid tumors of distant lymph nodes (C7B.01)
C77.0: Secondary and unspecified malignant neoplasm of lymph nodes of head, face and neck
C77.1: Secondary and unspecified malignant neoplasm of intrathoracic lymph nodes
C77.2: Secondary and unspecified malignant neoplasm of intra-abdominal lymph nodes
C77.3: Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodes
C77.4: Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes
C77.5: Secondary and unspecified malignant neoplasm of intrapelvic lymph nodes
C77.8: Secondary and unspecified malignant neoplasm of lymph nodes of multiple regions
C77.9: Secondary and unspecified malignant neoplasm of lymph node, unspecified

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