Researchers at Sanford Health in Sioux Falls got to hang out with a well-known television personality Tuesday.

'Good Morning America' co-host Robin Roberts spent part of the day in Sioux Falls touring the Sanford Research Center and Sanford Children's Hospital, working on an upcoming story for the ABC-TV show.

Roberts' own health has made news over the years. In 2007, she was diagnosed with an early form of breast cancer and underwent surgery later that year. By January 2008, she had completed eight chemotherapy treatments, followed by more than six weeks of radiation treatment.

In 2012, she was diagnosed with myelodysplastic syndrome (MDS), a disease of the bone marrow. That Fall, she took a leave of absence from work to receive a bone marrow transplant. Roberts returned to 'Good Morning America' in February 2013.

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