All are true regarding rectal carcinoma EXCEPT:: (A) Early morning spurious diarrhea and tenesmus can occur, (B) Adenocarcinoma is a rare variant of rectal carcinoma., (C) Growth confined to the rectal mucosa is stage A of modified Duke's staging., (D) Hamann's operation is done in old debilitated patients.
Answer is B. Rectal carcinoma: MC site of large bowel malignancy Adenocarcinoma is the most common variant of rectal carcinoma. C/F- MC symptom- bleeding PR Early morning spurious diarrhea Tenesmus Weight loss IOC- rigid sigmoidoscopy+ biopsy Hamann's operation is done in old debilitated patients.