Emilia Perez (E. P.), a 48-year-old woman, is admied to the nursing unit 2 hours after undergoing a right mastectomy (i.e., surgical removal of the breast). The floor nurse receives a report from the post anesthesia care unit (PACU) nurse that includes the patient’s admiing diagnosis of breast cancer, latest vital signs, focused assessment, medication and intravenous (IV) orders, pain level and the time she was last medicated for pain, and the status of her surgical dressing. Initially, E. P. appears to be comfortable, dozing occasionally between short conversations with her husband, who is at her side. When E. P. fully awakens 3 hours after arriving on the nursing unit, she complains of sharp, constant pain on the right side of her chest. She rates her pain at 8 of 10 on the pain scale. She is grimacing and appears tense.