In this May 25, 2017 file photo, chemotherapy drugs are administered to a patient at a hospital in Chapel Hill, N.C. Scaling back treatment in some cancers — ovarian, esophageal and Hodgkin lymphoma — can make life easier for patients without compromising outcomes, doctors reported at the American Society of Clinical Oncology annual meeting in early June 2024. (AP Photo/Gerry Broome, File)