Also known as: GI Cancers / Gastrointestinal Tract Cancer / Gastrointestinal System Cancer / Gastrointestinal tract cancer NOS / Cancer of the Gastrointestinal Tract / Gastrointestinal Tract Cancers / Cancer of Gastrointestinal Tract / Gastro-Intestinal Cancer / GI Cancer / Cancer, Gastrointestinal / Gastro Intestinal Cancer / Gastrointestinal Cancer / Gastrointestinal Cancers / Malignant neoplasm of ill-defined sites within the digestive system / Malignant neoplasm of gastrointestinal tract (disorder) / GI neoplasm malignant / Gastrointestinal neoplasm malignant / Gastrointestinal carcinoma / Carcinoma gastrointestinal