with 30 grams of protein. scientifically designed with carbsteady to help you manage your blood sugar. and more protein to keep you moving with diabetes. glucerna live every moment >> o'donnell: when an oncology nurse was diagnosed with breast cancer, she had a pretty good idea what she was in for. what she didn't expect was how being a patient also made her a better nurse. cbs' mark strassmann reports. >> nurse sharron kerber treats cancer patients. after a routine mammogram, she became one. >> i think like a lot of people, i was a little late getting my mammogram due to the pandemic. i was diagnosed with breast cancer on may 3. >> reporter: scary? >> it was scary. i don't think anybody can ever