Malignant neoplasm of ill-defined sites within the digestive system

**Inclusion terms:** - Malignant neoplasm of alimentary canal or tract NOS - Malignant neoplasm of gastrointestinal tract NOS

**Excludes1:** - malignant neoplasm of abdominal NOS (C76.2) - malignant neoplasm of intra-abdominal NOS (C76.2)