In this retrospective analysis, increased time from the definitive surgery to the resumption of chemotherapy was found to be associated with an increased risk of death of patients with localized osteosarcoma in an extremity. Within the limitations of a retrospective study, the data indicate that it is best to resume chemotherapy within twenty-one days after definitive surgery. Surgeons, oncologists, patients, and those responsible for scheduling need to work together to ensure timely resumption of chemotherapy after surgery.
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Imran et al. (2009) studied this question.
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