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Avoiding lymph node dissection is the only preventive measure proven to reduce the risk of developing lymphedema after breast cancer surgery; however, many patients are told to avoid intravenous catheters, venipunctures, and blood pressure measurements in the arm ipsilateral to the previous surgery for the rest of their lives. In agreement with the American Society of Breast Surgeons, the Society for Ambulatory Anesthesia issued a statement that these measures are not contraindicated in patients who have no lymphedema, even if they have had...