7th edition AJCC TNM staging of adrenocortical carcinoma

TXPrimary tumor cannot be assessed
T0No evidence of primary tumor 
T1Tumor 5 cm or less in greatest dimension, no extra-adrenal invasion
T2Tumor greater than 5 cm, no extra-adrenal invasion
T3Tumor of any size with local invasion, but not invading adjacent organs
T4Tumor of any size with invasion of adjacent organs
NXRegional lymph nodes cannot be assessed
N0No regional lymph node metastasis 
N1Metastasis in regional lymph nodes
M0No distant metastasis
M1Distant metastasis