Nuclear DNA patterns were evaluated for 115 lung cancers which were surgically resected. Seventeen percent showed diploidy pattern and 83% were aneuploidy. The 3-year survival was 90% in those who showed diploid and 58% in those who revealed aneuploid in analysis of nuclear DNA patterns. In conclusion determination of nuclear DNA pattern for lung cancer cells is of clinical value to assess the surgical outcome besides the histochemical evaluation
