IlluminOss Photodynamic Bone Stabilization System for the Treatment of Impending and Actual Pelvis Fractures

Inclusion criteria: Patients are being targeted because they have already agreed to the undergo the IlluminOss Pelvic Implant for standard clinical care. It is a decision made by the treating surgeon separately from research and prior to mention of the study. 1. Patient is a skeletally mature patient 21 years of age or older (closed epiphyseal plates) who receiving the FDA-approved IlluminOss Pelvic Implant 2. IlluminOss Pelvic Implant is intended to treat pain due to impending or actual non-displaced or minimally displaced pathologic fractures of the pelvis secondary to metastatic malignancy, multiple myeloma, lymphoma, or radiation osteitis or a pelvic fragility fracture in a geriatric patients (age 65 or older) 3. VAS Pain Score ≥ 30 on 0 to 100 scale Exclusion criteria: 1. Patient is uncooperative, or patient incapable of following directions (for example, as a consequence of a neurological or psychiatric disorder) 2. Patient is a prisoner 3. Patient is deemed surgically unfit by the medical oncology service