<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 35-year-old woman comes to the physician because of swelling of her right breast for the past 4 days. She also reports malaise and some pain with breastfeeding. Three weeks ago, she delivered a healthy 3500-g 7.7-lb girl. She has no history of serious illness. Her mother died of breast cancer at the age of 55 years. Her only medication is a multivitamin. Her temperature is 38C 100.4F. Examination shows a tender, firm, swollen, erythematous right breast. Examination of the left breast shows no abnormalities. Which of the following is the most appropriate next step in management?? A: Dicloxacillin and continued breastfeeding, B: Trimethoprim-sulfamethoxazole and continued breastfeeding, C: Continued breastfeeding, cold compresses, and ibuprofen, D: Stop breastfeeding and perform mammography, E: Stop breastfeeding and perform breast biopsy,  <response>: This is a question about mastitis, which is inflammation of the breast tissue and often occurs in breastfeeding women. The patient has symptoms of fever, breast swelling, tenderness, erythema, and pain, which are classic for mastitis. The key here is that mastitis is usually caused by a bacterial infection, so antibiotics are indicated. Breastfeeding can often continue during mastitis treatment. Choice A with dicloxacillin an antibiotic and continued breastfeeding is likely the best option.Choice B is incorrect because TMP-SMX is not a first-line antibiotic for mastitis. Choice C manages symptoms but does not treat the likely bacterial infection. Choices D and E are overly aggressive, as mammography and biopsy are not indicated in a straightforward case of mastitis, especially in a 35-year-old.A: Dicloxacillin and continued breastfeeding 