creening mammograms may lead many American women older than 70 to be overdiagnosed with breast cancer, and receive unnecessary tests and treatments as a result, a new study suggests. Patients are considered over-diagnosed when screening mammograms identify breast cancers that never would have caused symptoms, said the lead study author, Ilana Richman, MD, an assistant professor at Yale School of Medicine and a member of Yale Cancer Center in New Haven, Connecticut, in a statement. This typically happens when cancer grows very slowly, Dr.
