Overview Cancer is the 2nd leading cause of death in the United States in both children and adults leading cause in adults is heart disease and children is accidents Cancer Epidemiology Epidemiology Male Female Incidence Prostate 32% Lung 16% Colorectal 12% Breast 32% Lung 13% Colorectal 13% Mortality Lung 33% Prostate 13% Colorectal Lung 23% Breast 18% Colorectal Mortality changes in the last century changes in smoking behavior has resulted in lung cancer plateauing in males but continuing to climb in females introduction of Pap smear screening has dramatically reduced cervical cancer incidence improvements in treatment and detection has reduced breast cancer mortality