[Case of primary cancerous tumor of the nasopharynx, laryngeal pharynx and trachea].
D006801:Humans; D007822:Laryngeal Neoplasms; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms; D009378:Neoplasms, Multiple Primary; D014134:Tracheal Neoplasms
Nabliudenie pervichnogo porazheniia rakovoĭ opukhol'iu nosoglotki, gortanoglotki i trakhei.