... N2-3/T4 group Arm A, blue; arm B, brown; arm C, yellow; arm D, green Discussion Concurrent chemoradiation is the established standard of care for locally advanced carcinoma of the anal canal Attempts ... Contribution of conformal therapy in the treatment of anal canal carcinoma http://www.ro-journal.com/content/2/1/41 24 25 26 27 28 29 with combined chemotherapy and radiotherapy: results of a phase II ... carcinoma of the anal canal: results of a phase III randomized intergroup study J Clin Oncol 1996, 14:2527-2539 Weber DC, Kurtz JM, Allal AS: The impact of gap duration on local control in anal canal...