A 55 year old male, working as a hotel cook, has four dependent family members. He has been diagnosed with an early stage squamous cell cancer of anal canal. He has more than 60% chance of cure. The BEST treatment option is:
Abdominoperineal resection
Combined surgery and radiotherapy
Combined chemotherapy and radiotherapy
Chemotherapy alone
"Nigro regimen is referred to combined chemotherapy and radiotherapy used for primary treatment of malignant tumors of the anal canal". Ref: Bailey & Love 25/e, page 1269; Schwaz 9/e, Page 1053.