Chronic Lymphatic Leukemia

191 patients with a diagnosis of CLL were seen at the Rosewell park memorial institute from 1951-1976. Of the 191; 14 (7%) were found to have bronchogenic carcinoma. In this series, the incidence of bronchogenic carcinoma in patients with CLL was 11 times higher than in the general population.

Patients with CLL are also known to have impaired immunity, which may contribute to a second primary cancer. It is unlikely that the agents used in treatment of CLL are epidemiologically related to the development of lung cancer. The overall survival was not significantly different from the non-leukemic patients.

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