Dr. Brett Parkinson, the medical director of Intermountain Healthcare’s Breast Care Center, reiterated that before the vaccine, enlarged lymph nodes were a red flag. “Whenever we see these on a normal screening mammogram we call those patients back, because it can either mean metastatic breast cancer which has traveled to the lymph nodes, or lymphoma or leukemia,” he told KTSU-TV. “With the Moderna vaccine it’s about 11% after the first dose and 16% after the second dose. We believe it’s comparable for the Pfizer vaccine as well.” Dr. Porpiglia said women who have received the vaccine may be able to...