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We analysed a group of 571 patients with lung carcinoma in whom the diagnosis was established at our clinic in the course of 1994-1999- The series included 536 men (93-8%) and 35 women (6.2%); 77 patients (13.4%) were < 45 years old, 494 patients (86.5%) were > 46 years old. A smoking history was available in 406 patients (71%). Biopsy samples revealed the histological type of the tumors in 97%: Non-small cell lung cancer (NSCLC) in 394 patients (69%), small cell lung cancer (SCLC) in 150 patients (26%), while in 3% of cases the histological type of the bronchogenic carcinoma was not determined. The disease was diagnosed mostly by bronchoscopy in 388 (70%) cases. We found metastasis to lymphnodes in 45%, to bone in 31.4% and to liver in 19-3%. Clinical stages at diagnosis for NSCLC were classified in the following manner: stage I: 5-3%, stage II: 5.3%, stage IIIA: 14.5%, stage IIIB: 25.9%, stage IV: 43.4%, unclassified: 5.6%. SCLC were classified in the following manner: limited disease: 35-3%, extensive disease: 60%. In 7 patients (4.7%), staging procedures were incomplete for proper staging. Acording to the TNM staging and overall conditions of the patients, the following modes of therapy were applied: chemotherapy in 303 (53%), radiotherapy in 90 (15.8%), surgery in 14 (2.4%), combined therapy (chemotherapy/radiotherapy and surgery) in 98 (17.2%), while 66 patients (11.6%) received only symptomatic therapy.