<prompt> The treatment of choice for squamous cell anal cancer isAbdominoperennial resectionLaser fulgarationchemoradiotherapyPlatinum-based chemotherapy  <response>: Anal cancer Uncommon tumour, which is usually a squamous cell carcinoma Treatment is by chemoradiotherapy in the first instance More prevalent in patients with HIV infection May affect the anal verge or anal canal Lymphatic spread is to the inguinal lymph nodes Associated with HPV Major ablative surgery is required if the above fails Ref: Bailey Love;s Sho Practice of Surgery,E25,Page-1269 