Olivia Munn’s body is scarred with “divots and dents” after her breast cancer battle. The 43-year-old actress had been due to shoot a sci-fi film in Germany this time last year, but instead had to go under the knife for a double mastectomy after oncologists discovered she was suffering stage 1 invasive cancer in both her breasts. She has now told People about being left with “battle wounds” from the gruelling operation: “I have some divots and dents on one side of my body near where the lymph nodes were, and they had to really dig out. “And I’ve been wearing some dresses on the red carpet that…