title: Melanoma: margins for error.
authors: Peter J
authors: PJ
authors: Heenan
mesh_terms: D006801:Humans; D008545:Melanoma / Q000473:pathology / Q000556:secondary / Q000601:surgery*; D009362:Neoplasm Metastasis / Q000473:pathology; D009364:Neoplasm Recurrence, Local / Q000473:pathology* / Q000601:surgery; D012878:Skin Neoplasms / Q000473:pathology / Q000601:surgery*; D014944:World Health Organization