41.   Researchers have found a direct correlation between smoking and lung cancer.

42.   His friends and doctors did not think he could do it, as he had lung cancer.

43.   Colorectal carcinoma ranks second only to lung cancer in men and to breast cancer in women in the United States.

44.   Is chemotherapy for non-small cell lung cancer worthwhile?

45.   In this issue, Souquet et al describe a meta-analysis of combination chemotherapy for non-resectable non-small-cell lung cancer.

46.   We did a meta-analysis of all published polychemotherapy vs supportive care clinical trials in patients with non-resectable non small cell lung cancer.

47.   There was no evidence in these miners that a radon-rich atmosphere increased the risk of any cancer other than lung cancer.

48.   A radon-related excess of lung cancer is well established.

49.   But even these figures can be misleading in the same way as would a statistic relating risk of lung cancer as a percentage of all smokers.

50.   The death rates from lung cancer among women using low-quality coal in cooking stoves is as high as that of heavy cigarette smokers.