title: Malignant melanoma arising at tattoo sites used for radiotherapy field marking.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008545:Melanoma / Q000209:etiology* / Q000473:pathology; D008875:Middle Aged; D009381:Neoplasms, Radiation-Induced / Q000473:pathology*; D011878:Radiotherapy / Q000009:adverse effects*; D012878:Skin Neoplasms / Q000209:etiology* / Q000473:pathology; D013653:Tattooing / Q000009:adverse effects*