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OTRC: Robin Roberts 'energized' after bone marrow transplant (Video)

Robin Roberts appears on 'Good Morning America' on September 21, 2012.

Robin Roberts' doctor says that the "Good Morning America" co-anchor seems to be "energized" and wants to go home following her bone marrow transplant.

Roberts underwent the five-minute procedure on September 21, to treat myelodysplastic syndrome (MDS), a rare blood and bone marrow disorder. Her bone marrow donor was her sister, Sally-Ann. She is also a broadcast journalist - she works as an anchor for New Orleans TV station WWL-TV.

Roberts' oncologist, Dr. Gail Roboz visited "GMA" and said that although the anchor seems to be "energized," she will have to be monitored over the next 7-10 days to confirm that the stem cells are growing properly and recovering. The goal is for Roberts to leave the hospital after about 30 days.

"It's not instant," Roboz told host George Stephanopoulos. "Rebuilding takes weeks to months... We have to roll with the punches over the next few days because, don't forget, her systems are down and Sally-Ann's aren't up yet so we're in that in-between zone of watching very carefully. We are wanting every day to be a good day, but we are ready for some bumps in the road."

The evening before the bone marrow transplant, Roberts spent time with family, friends and colleagues like Diane Sawyer and Sam Champion. A video of the group singing "Ain't No Mountain High Enough" was shared on Friday morning's episode of "GMA."

Roberts revealed her ailment in June, saying it was caused in part by treatments she had undergone for breast cancer five years ago.

The 51-year-old went on medical leave in late August a day earlier than scheduled, citing on her final "GMA" show a last-minute plan to visit her ailing mother, who died hours later.

Roberts, a breast cancer survivor, recently completed a fresh, 8-day-long and more intensive round of chemotherapy to prepare her body for the transplant. "Good Morning America" aired a taped message from Roberts from the hospital bed before the procedure.

Check out 9 facts about Robin Roberts, her MDS and bone marrow transplant.

Roberts has been receiving messages of supports from scores of fans, including pop star and past "GMA" guest Lady Gaga, who Tweeted on Tuesday: "@RobinRoberts thinking of you. missed you at fragrance launch. get well soon so we can sip wine out of teacups again live on tv."

"Your timing's perfect, in final chemo now," Roberts replied to the singer.

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