[Incidence of lung fibrosis in Hungary]

Epidemiological data of patients with lung fibrosis being registered in dispensaries are demonstrated. Three groups of fibrosis patients are registered: lung fibrosis of known origin, lung fibrosis associated with systemic disease and lung fibrosis of unknown origin. In 1984 prevalence was 22.7/100,000. Incidence was the lowest in systemic diseases and the highest in lung fibrosis of unknown origin.