Silver Book Fact
In 2002, cancer patients made 2.1 million visits to hospital outpatient departments.
Hing E, Middleton K. National Hospital Ambulatory Medical Care Survey: 2002 outpatient department summary. Hyattsville, MD: National Center for Health Statistics, Centers for Disease Control and Prevention; 23-Jun-2004. http://www.cdc.gov/nchs/data/ad/ad345.pdf