Multiple primary malignancies associated with index cancers of the oral, pharyngeal and laryngeal areas.
D004938:Esophageal Neoplasms / Q000453:epidemiology; D006801:Humans; D007822:Laryngeal Neoplasms / Q000453:epidemiology; D008175:Lung Neoplasms / Q000453:epidemiology; D009062:Mouth Neoplasms / Q000453:epidemiology; D009378:Neoplasms, Multiple Primary / Q000453:epidemiology; D010610:Pharyngeal Neoplasms / Q000453:epidemiology; D011230:Precancerous Conditions