411 REFERENCE · Wikibooks
Radiation Oncology/Epidemiology/Cancer screening
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
• Cancer screening aims to detect cancer before symptoms appear
• This may involve blood tests, urine tests, DNA tests, other tests, or medical imaging
• The benefits of screening in terms of cancer prevention, early detection and subsequent treatment must be weighed against any harms