the subsequent risk of stroke. Methods Using the Surveillance, Epidemiology, and End
Results–Medicare linked database, we identified patients with a new primary diagnosis of
breast, colorectal, lung, pancreatic, or prostate cancer from 2001 through 2007. These
patients were individually matched by age, sex, race, registry, and medical comorbidities to
a group of Medicare enrollees without cancer, and each pair was followed through 2009 …