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
Commonest type of carcinoma anal canal is:
assistant
The correct answer is  CARCINOMA ANAL CANAL MC type of CA anal canal : SCC > BCC > Melanoma Median age at diagnosis :60 years MC symptom : Bleeding PR MC site of metastasis: Lung MC site of LN metastasis : Inguinal LNs