Squamous cell carcinoma of the rectum.

Lower gastrointestinal cancers are commonly adenocarcinoma in the colon and rectum, and of squamous cell histology in the anal canal. Squamous cell carcinoma of the rectum is a rare disease attributable to squamous metaplasia in the rectum. The tumour location and histopathology should both serve as indicators to planning treatment, and a robust multidisciplinary team meeting forms the backbone of such decisions.