P-316Is there any association of dose received by pelvic bone marrow in preoperative radiotherapy in rectal cancer with hematological toxicity of subsequent oxaliplatin-based chemotherapy?

Introduction: Preoperative radio(chemo)therapy in rectal cancer may irreversibly damage pelvic bone marrow (PBM) and impair the tolerance of subsequent chemotherapy. The aim of the study was to assess the association between irradiated volume of PBM and the tolerance of subsequent FOLFOX-4 chemotherapy in rectal cancer.

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