NCIt synonyms : Anal Malignant Melanoma; Malignant Melanoma of Anus; Melanoma of Anus; Melanoma of the Anus; Malignant Melanoma of the Anus;
NCIt related terms : Malignant melanoma of anal skin;
NCIt definition : A melanoma arising from the anus. Clinical presentation includes rectal bleeding,
tenesmus, pain, and change in bowel habit. The prognosis is usually poor.;