Summary of Changes
T1 lesions have been divided into T1a and T1b.
T1a is defined as tumors 4 cm or less in greatest dimension, limited to the kidney.
T1b is defined as tumors greater than 4 cm but not more than 7 cm in greatest dimension, limited to the kidney.
KeywordsRenal Cell Carcinoma American Joint Committee Small Cell Carcinoma Clear Cell Adenocarcinoma Localize Renal Cell Carcinoma
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