[Possible development of pulmonary scar cancers in patients with pulmonary fibrosis due to cytostatica and X-ray therapy (case-study) (author's transl)].

In two patients with chronic pulmonary fibrosis their history and findings of autopsy suggested, that X-ray therapy in a 31-year old male and Cytostatica-drug therapy in a 52 years old female have had an influence to development of a scar cancer. These cases are discussed with informations of the literature.