system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Penile carcinoma upto urethra stage -
assistant
The correct answer is  Ans. is 'b' i.e., T3 T- Primary tumorTx - Cannot be assessedTo - No evidence of primaryTis - In situ CATa - Noninvasive verrucous CAT1 - Subepithelial connective tissue invasionT2 - Corpus cavemosum or spongiosum invasionT3 - Invades urethra or prostateT4 - Involves other adjectent structures