title: Pre-irradiation tattooing.
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy / Q000601:surgery / Q000628:therapy*; D003036:Cobalt Isotopes / Q000627:therapeutic use; D004724:Endoscopy; D006801:Humans; D008722:Methods; D010157:Palatal Neoplasms / Q000532:radiotherapy / Q000601:surgery / Q000628:therapy*; D011867:Radioisotope Teletherapy; D013653:Tattooing; D013997:Time Factors; D014062:Tongue Neoplasms / Q000532:radiotherapy / Q000601:surgery / Q000628:therapy*; D014067:Tonsillar Neoplasms / Q000532:radiotherapy / Q000601:surgery / Q000628:therapy*
chemical_list: D003036:Cobalt Isotopes