thanks for contacting HCM, don t worry, very unlikely chance of skin cancer. you are suffering from haemorrhoids. Haemorrhoids are swollen blood vessels in or around the anus and rectum. The haemorrhoidal veins are located in the lowest part of the rectum and the anus. Sometimes they swell so that the vein walls become stretched, thin, and irritated by passing bowel movements. Creams, ointments and suppositories usually consisting of can help relieve swelling and inflammation symptoms in the short term. Warm (but not hot) sitz baths are a traditional therapy for piles: sit in about 8 cm of warm water for 15 minutes, several times a day, especially after a bowel movement. regards