Table 1

Final diagnosis

Group A
(n = 90)
Group B
(n = 81)
Bronchial carcinoma
 Squamous cell carcinoma28 (31.1%)24 (29.6%)
 Adenocarcinoma 9 (10.0%)13 (16.0%)
 Small cell carcinoma 9 (10.0%) 7 (8.6%)
 Large cell carcinoma15 (16.7%) 5 (6.2%)
 Mixed 2 (2.2%) 4 (4.9%)
Other malignant disease 9 (10.0%) 9 (11.1%)
Non-malignant disease18 (20.0%)19 (23.5%)