[Histological types of lung cancer in urban and rural inhabitants of the Krakow region].

Incidence of different histological types of lung cancer was analyzed in the years 1978-1984 in city and rural inhibitants of the Cracov region. Histologically verified lung cancer ranged from 21% in females of rural population to 52% of city male inhabitants. Squamous lung cancer followed by small cell lung cancer were most often diagnosed in city population and males from villages. Adenocarcinoma was seen more often in females, being most often diagnosed in females of rural population.