Reality star Savannah Chrisley is shedding light on her challenging battle with endometriosis. On the September 24 episode of her “Unlocked” podcast, the Chrisley Knows Best alum opened up about her years-long struggle with the painful condition. “I have had multiple surgeries,” Chrisley, 27, revealed. “My last surgery was in Atlanta, and there’s a video on my YouTube account where I talk about the whole process — about endometriosis and how tough it was.” During the discussion, she shared how emotionally and physically draining the journey has been. Despite undergoing over 400 DNA tests, only…