Robin Roberts to Begin Medical Leave Next Week

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Robin Roberts announced Monday on Good Morning America that Friday will be her last day on the show before taking a medical leave of absence to undergo a bone marrow transplant. 

Roberts announced in June that she had been diagnosed with the rare blood and bone marrow disorder Myelodysplastic syndrome (MDS) after successfully fighting breast cancer. Her medical leave was anticipated but the exact date of her departure was unknown until her confirmation on Monday. 

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The 51-year-old TV host explained on the air that she will be admitted to the hospital next Tuesday and that approximately 10 days later will receive a bone marrow transplant from her sister Sally. "It's been quite a journey so far," Roberts said of the past months since her diagnosis.

Throughout the week, the show will be featuring tributes to Roberts' years on GMA and her co-hosts said they have "lots of surprises" in store.

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GMA will also provide extensive reporting on her treatment, procedure and recovery process and will feature uplifting stories about families who have faced and overcome an MDS diagnosis.