title: [Lung cancer].
abstract: Lung cancer is characterized by a varied histologic background and as a result has a wide range of histologic types compared to cancer of other organs. There is remarkable difference in malignancy according to histologic type, therefore a definitive diagnosis before treatment is essential to determine therapeutic strategy. Recently definitive diagnostic rates of 99% have been obtained by various diagnostic procedures. The value of surveys especially those including sputum cytology is discussed. Also laser therapy with Nd-YAG laser and/or administration of hematoporphyrin derivative plus photoradiation by an argon dye laser and tumor localization with fluorescence photoradiation by a krypton ion laser are discussed.
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis; D000328:Adult; D000368:Aged; D000818:Animals; D001999:Bronchoscopy; D018288:Carcinoma, Small Cell / Q000175:diagnosis; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis; D004285:Dogs; D005260:Female; D006801:Humans; D007834:Lasers; D008175:Lung Neoplasms / Q000175:diagnosis* / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009374:Neoplasms, Experimental / Q000175:diagnosis / Q000473:pathology; D012907:Smoking