Annals of surgical oncology
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Women who undergo mastectomy for breast cancer may be prone to prolonged opioid use (POU). However, risk factors for long-term opioid use after mastectomy remain unclear. This study seeks to identify risk factors for POU after mastectomy. ⋯ Preoperative opioid use, psychiatric illness, and daily OME at discharge independently predict POU after mastectomy.