The presenting features are usually non specific and include pain, itching, burning, bleeding, palpable lump, and discharge. There are many kinds. Changing patterns of anal cancer incidence in the United States, — Small intestine Duodenal cancer Adenocarcinoma. Eur J Surg Oncol. Lymphatic drainage of anal cancers is dependent upon the location of the lesion with respect to the dentate line.
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Anal cancer – a review
Outcome analysis of HIV-positive patients with anal squamous cell carcinoma. Clinical features and risk factors are similar to those of squamous cell cancer of the anal cancer. The mechanism of tumorigenesis have been found to be inactivation of tumor suppression genes via loss of heterozygosity LOH. Role of sentinal lymph node SLN biopsy in anal carcinoma Inguinal lymph node metastasis is an independent poor prognostic factor for local treatment failure and long term survival. Liver metastasis is more common than lung or bone metastasis and usually occurs in the case of a tumor arising at the anorectal junction.