Pattern of lymphatic spread in pharyngeal cancer.
D000367:Age Factors; D000368:Aged; D001706:Biopsy; D002294:Carcinoma, Squamous Cell / Q000453:epidemiology; D004724:Endoscopy; D005260:Female; D006801:Humans; D008197:Lymph Node Excision; D008207:Lymphatic Metastasis / Q000175:diagnosis / Q000453:epidemiology* / Q000401:mortality / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009333:Neck; D010610:Pharyngeal Neoplasms / Q000601:surgery*; D012737:Sex Factors