Steve Olejniczak had been dealing with pain in his right hip for years before he saw a doctor in late 2019. When he did, doctors said he had arthritis or a hip flexor injury due to his active lifestyle. Steve underwent physical therapy, but the pain wouldn’t go away.

It wasn’t until Steve underwent an MRI with contrast in February 2020 that he got answers. The image showed a golf ball-sized tumor in his pelvis. His primary care...