Adrenocortical Carcinoma Stage I TNM T1, N0, M0 The tumor is less than 2 in. (5 cm) and does not invade other tissues. Standard Treatment Complete surgical removal of the tumor. Five-Year Survival 60 percent Investigational • Adjuvant radiation therapy . • Adjuvant chemotherapy with mitotane . Stage II TNM T2, N0, M0 The tumor is larger than 2 in. (5 cm) but is still not invasive. Standard Treatment Complete surgical removal, similar to Stage I.