label: Rectosigmoid Signet Ring Cell Adenocarcinoma
label_lc: rectosigmoid signet ring cell adenocarcinoma
description: An infiltrating adenocarcinoma arising from the rectosigmoid area.  It is characterized by the presence of malignant glandular cells with prominent intracytoplasmic mucin.  These cells constitute more than 50% of the malignant cellular population.