Astler-Coller C1 Rectal Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** Rectal carcinoma in which the tumor has extended into the muscularis propria but has not penetrated through it and there is lymph node involvement.

**Synonyms:** - Astler-Coller C1 Carcinoma of Rectum - Astler-Coller C1 Carcinoma of the Rectum