SU‐GG‐I‐138: Quantitative Fat Fraction Change in Pelvic Bone Marrow in Response to Concurrent Chemoradiotherapy

Purpose : To quantify changes in pelvic bone marrow (BM) fat fraction (FF) during concurrent chemoradiotherapy for patients with pelvic malignancies. Method and Materials : The study includes 6 patients with stage I–III cervical cancer and 4 patients with stage II–III anal cancer. For cervical cancer patients, treatment consisted of IMRT, 45 Gy in 1.8 Gy daily fractions with concurrent weekly cisplatin, followed by intracavitary brachytherapy...