Risk factors for anal cancer include the immune system , HPV , etc . People whose immune system are suppressed , from HIV or drugs taken after organ transplants are at risk for anal cancer . New cases of anal cancer number about 5,000 a year , with 10 deaths per year . Anal makes it treatable , but is more difficult to treat if tumor spreads .
Risk factors for anal cancer include the immune system , HPV , etc . New cases of anal cancer number about 5,000 a year , with 10 deaths per year . Anal makes it treatable , but is more difficult to treat if tumor spreads .