This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Carcinoma of the Rt. colon commonly presents as - 
Select and explain. 
A. Ulcerating lesion, B. Fungating, C. Stenosing, D. Infiltrating
B: Fungating
Answer: B: Fungating 
Explanation: Pathology of colon carcinoma

Colorectal carcinomas grow into different morphological patterns depending on the anatomic location of the tumor.


Right colon → Grow as polypoid, exophytic (fungating) masses that extend along the wall of the cecum and ascending colon.
Left colon → Annular, encircling lesions that produce so-called napkin-ring constriction of the bowel.