Catharine Becker of Fullerton, Calif., was diagnosed with stage 3 breast cancer at 43 despite having a clean mammogram. The mother of three didn't know she had dense breast tissue until after she was diagnosed.
Heidi de Marco/Kaiser Health News
Sequencing the genes of a cancer cell turns up lots of genetic mutations — but some of them are harmless. The goal is to figure out which mutations are the troublemakers.
Kevin Curtis/Science Source
Anne Koller closes her eyes as an oncology nurse attaches a line for chemotherapy to a port in her chest. Koller typically spends three to six hours getting each treatment.
Sarah Jane Tribble/WCPN
This spiral CT image of the chest shows a large malignant mass (purple) in one lung. A conventional chest X-ray could have missed this tumor, radiologists say.
Medical Body Scans/Science Source