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Symptoms of anal cancer

  • Bleeding from the anal opening, pain, discomfort or itching around the anal opening are common symptoms .
  • In some cases, a lump or sore is felt, especially in perianal cancer. Some tumors have a central ulcer, while other tumors can spread under an intact mucous membrane.
  • Stool incontinence may occur.
  • Rectovaginal fistulas can occur when tumors are large and infiltrate the vagina.
  • Anocutaneous fistulas and abcesses can develop around the anus.
  • For large tumors with development of abscesses, induration around the abscess can make it difficult to assess the actual border of the tumor.

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