Some cancer patients may have better outcomes with less intensive treatment, according to several new studies. Research presented at the American Society of Clinical Oncology conference in Chicago looked at ovarian and oesophageal cancer and Hodgkin lymphoma. It’s part of a trend of studying whether less surgery, chemotherapy, and radiation can help patients to live longer and feel better. Decades ago, cancer research was instead about doing more, but researchers are now asking if all the treatment is needed. Often, doing less works because of improved drugs. “The good news is that cancer trea…