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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.
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Commonest carcinoma in men in tropical countries -
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The correct answer is  Oral cancer is one of the ten most common cancers in the world Mostly due to Tobacco Alcohol Precancerous state Cultural pattern Ref- Park&;s textbook of Preventive and Social Medicine 24th edition.