REPORT FROM THE AMERICAN ACADEMY OF NEUROLOGY (AAN) 63^RD ANNUAL MEETING, HONOLULU, HAWAII, APRIL 9-16, 2011 – Epidemiological studies have suggested that cancer risk is generally lower in PD patients compared to those without PD (11% vs. 14%), including a lower risk of prostate cancer (RR 0.74) (Driver et al. Cancer Epidemiol Biomarkers Prev 2007; 16: 1260-1265; free full text at http://cebp.aacrjournals.org/content/16/6/1260.long). The risk of certain cancers (e.g. melanoma) may be higher.