Free practice question 12 of 20 · Colorectal
An original single best answer question in the style of the FRCS (Gen Surg) Section 1 paper, with the answer and a referenced explanation. Pick an answer to reveal it, then rate how sure you were.
A 62-year-old man has a 2.5 cm mobile adenocarcinoma on the posterior wall of the rectum, 6 cm from the anal verge. CT shows no distant disease. Pelvic MRI reports the lesion as T1 or T2 with no suspicious mesorectal nodes, and he wishes to explore local excision.
Which investigation is most appropriate to refine the local stage?
Topic guide
Colorectal: what the exam tests
Syllabus coverage, high-yield themes and the common traps.
Free article
Acute diverticulitis: Hinchey, CT staging and management from no antibiotics to Hartmann’s
Acute diverticulitis for FRCS (Gen Surg): Hinchey and WSES staging, NICE NG147, antibiotics or none, abscess drainage, lavage, Hartmann’s and elective surgery.
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