Rectal Signet Ring Cell Adenocarcinoma

**Semantic type:** Neoplastic Process

**Definition:** An infiltrating adenocarcinoma arising from the rectum. 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.

**Synonyms:** - Rectal Signet-Ring Cell Adenocarcinoma - Signet Ring Adenocarcinoma of Rectum - Signet Ring Adenocarcinoma of the Rectum - Signet Ring Cell Adenocarcinoma of Rectum - Signet Ring Cell Adenocarcinoma of the Rectum