label: Colon Signet Ring Cell Adenocarcinoma
label_lc: colon signet ring cell adenocarcinoma
description: An invasive adenocarcinoma of the colon characterized by the presence of malignant glandular epithelial cells which contain prominent intracytoplasmic mucin (signet ring cells).  The signet ring cells constitute more than 50% of the malignant cells.