Multiple biopsies in head and neck cancer.
D001706:Biopsy; D004938:Esophageal Neoplasms / Q000175:diagnosis; D006257:Head; D006258:Head and Neck Neoplasms / Q000175:diagnosis* / Q000401:mortality; D006801:Humans; D007822:Laryngeal Neoplasms / Q000175:diagnosis; D008722:Methods; D009062:Mouth Neoplasms / Q000175:diagnosis; D009369:Neoplasms / Q000175:diagnosis; D009378:Neoplasms, Multiple Primary / Q000175:diagnosis* / Q000453:epidemiology; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis