Surgery A 1 cm x 1 cm squamous cell carcinoma of anal canal is best treated initially by A Abdominoperineal resection B Localized resection followed by irradiation C Proximal colostomy followed by interstitial irradiation D Chemo-radiotherapy π‘ Explanation A 1 cm x 1 cm squamous cell carcinoma of anal canal is best treated initially by β Correct Answer: D. Chemo-radiotherapy