<qa>  What is the most indicated curative treatment for rectal cancer?Surgery is the most indicated curative treatment for rectal cancer when disease is diagnosed early, however local recurrence risk increases when the disease is diagnosed at advanced stage.T1-2 tumors have a recurrence rate lower than 10, while T3N0 tumors have 15 - 35 and positive lymph nodes T3-4 45 to 67 of recurrence rate within 5 years. These data indicate that patient who have a high risk of tumor recurrence should receive an adjuvant therapy treatment. 