[Location - Date:Washington & New York -- September 20, 2013][Source:ABC Good Morning America; AP; AP photos][VO:][Notes:NATS UP Robin Roberts, "Good Morning America" co-anchor: "This journey is as much about the mind as it is the body.]SPEAKING FROM HER HOSPITAL BED... "GOOD MORNING AMERICA" CO-ANCHOR ROBIN ROBERTS WAS JUST HOURS AWAY FROM A LIFE-SAVING BONE MARROW TRANSPLANT.[Notes:SOT Robin Roberts, "Good Morning America" co-anchor: "Your thoughts. Thoughts are so powerful. You've got to change the way you think in order to change the way you feel. You have to change the way you think in order to change the way you feel."]LAST JUNE .... THE 51-YEAR-OLD ROBERTS REVEALED SHE HAS M-D-S ... A RARE BLOOD DISORDER.[Notes:SOT Lauran Neergaard, AP Medical Writer: "MDS is myelodysplastic syndrome. It's a group of disorders where the bone marrow does not produce blood and immune cells appropriately. They're abnormal."]ROBERTS HAS SPENT THE PAST 11 DAYS IN THE HOSPITAL ...THE LAST EIGHT DAYS UNDERGOING CHEMOTHERAPY TO PREPARE HER FOR THE PROCEDURE. ROBERTS' DONOR IS HER OLDER SISTER ... SALLY-ANN. [Notes:SOT Lauran Neergaard, AP Medical Writer: "It's kind of like a blood donation. So the blood is removed ... These specialized cells are filtered out ... The blood is returned to the donor. Then those specialized cells are infused into the recipient... The patient. And they're kind of like homing pigeons. They know where to go. They will go back to the site of the bone marrow and they will repopulate it. They will grow new blood and immune system cells."]ROBERTS' LAST DAY ON THE A-B-C MORNING SHOW WAS AUGUST 30 SHE'S ON EXTENDED MEDICAL LEAVE.[Notes:SOT Robin Roberts, "Good Morning America" co-anchor: "And let me just say this lastly, I feel the love and I thank you for it. Thank you."][SIGOUT/REPORTER, LOCATION, ASSOCIATED PRESS]--------------------------BC-US--People-Robin Roberts, 1st Ld-WritethruRoberts thanks viewers on day of marrow transplant'GMA' co-anchor Robin Roberts thanks viewers for support on day of her bone marrow transplant NEW YORK (AP) _ Robin Roberts has thanked her viewers for their support as she faces a bone marrow transplant. The "Good Morning America" co-anchor sent a video message taped from her New York hospital bed for airing on the program Thursday, which is the day she's set to have the transplant. Declaring that "thoughts are so powerful," Roberts told her audience: "I feel the love and I thank you for it." Roberts' transplant comes after 11 days spent in the hospital and eight days of chemotherapy to prepare her for the procedure. The donor is her older sister, Sally-Ann Roberts. In June, the 51-year-old Roberts disclosed that she has MDS, a rare blood disorder. Her last day on "GMA" was Aug. 30 before she began extended medical leave from the ABC morning show.(****END****) ANCHOR VOICE: NICOLE GRETHER-------------------------VIDEO PRODUCER: Nicole Grether---------------------------VIDEO SOURCE: ABC Good Morning America; AP; AP photos-----------------------VIDEO APPROVAL: ----------------------------VIDEO RESTRICTIONS: Courtesy ABC Good Morning America----------------------------------MARKET EMBARGO (S): none--------------------------------SCRIPT/WIRE SOURCE: BC-US--People-Robin Roberts, 1st Ld-Writethru