Roberts was underwent the surgery to treat myelodysplastic syndrome, a blood disorder that can cause bone-marrow failure.
In addition to her fellow Good Morning America anchors, Roberts was welcomed back by celebrities and fellow ABC stars, including Denzel Washington, a crew of Disney characters and the Muppets, Tim Gunn and more.
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A grinning and healthy-looking Robin Roberts returned to wish America a 'Good Morning' after a 174-day leave for a bone-marrow transplant to treat a rare blood disorder.
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