When Marie Chaplinksy went in for a checkup with her cardiologist in March 2017, she was surprised when she was called back to have her bloodwork done for a second time. Her test results showed that she was very anemic, and her doctor noticed other concerning markers.

After the second round of tests, her cardiologist suspected that she had cancer and referred her to MD Anderson.

Marie, now 71, set up an appointment at MD...