VIDEO : Abby Lee Miller Celebrates One Year Since Spinal Surgery

(CNN)Abby Lee Miller is reflecting on the anniversary of her cancer diagnosis and blasting some of the doctors who treated her. The "Dance Moms" star posted a photo of her on her Instagram account showing off the surgical scar on her back. "One year ago today ~ I underwent emergency surgery for an infection in my spine," the captiion read. "This mass/tumor choking my spinal cord turned out to be Burkitt Lymphoma." Miller wrote that she "endured ten rounds of chemo therapy (each lasting 6 days with 4/ 24hr bags pumping poison into my body ending with a spinal tap in 3 spots, plus another shot of Chemo into my tailbone area up the spinal cord around my brain cavity)."