The early diagnosis of malignant neoplasms of the nose, pharynx and larynx.
D000328:Adult; D000368:Aged; D003680:Deglutition Disorders / Q000209:etiology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007822:Laryngeal Neoplasms / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000175:diagnosis; D009669:Nose Neoplasms / Q000175:diagnosis*; D010610:Pharyngeal Neoplasms / Q000175:diagnosis*; D010612:Pharyngitis / Q000209:etiology; D013997:Time Factors