-- Sandra Lee experienced a medical complication recently, her rep told ABC News.
"There was a setback [on Tuesday night] due to what may be an infection post-mastectomy," a rep for Lee told ABC News. "But Sandra is her ever-fighting self."
On Aug. 3, she wrote that she visited the doctor and was using music to get "a boost of energy."
"Maintaining a positive attitude and surrounding myself with only good vibes is what helps me get through my appointments and helps me to continue to get stronger!" she added.