ABSTRACT
Lung cancer was diagnosed in 130 patients durting eight years period in apopulation living in Benghazi area, Libya. The series comprised 124 men and 6 women, with a male to female ratio of 20.6:1. the diagnosis was confirmed histologically in all cases. Squamous cell carcinoma was the most common histological type of tumour in men, followed by adeno carcinoma and small cell carcinoma, whereas in the women adeno carcinoma was the most common tumour. All the females and two males were life long non smokers, whereas all other males were smokers or exsmokers. Crude incidence of primary lung cancer was 3.34 per 100.000 population per year, while incidence among males 40 years and above was 32.37 per 100.000 population per year. However the age standardized incidence rate was 10.5 per 100.000 population per year which is less than any developed countries