Robin Roberts updated her fans on Friday about the latest round of her fight with bone marrow disease.The "Good Morning America" host, who
announced in June that she had contracted a rare disease called MDS, had to take the day off to accompany her sister Sally-Ann to the doctor. Sally-Ann is going to be Roberts' bone marrow donor, having been called a "perfect match."Roberts
wrote on Facebook:My sister, Sally-Ann, went through a lot of ...