History A 26-year-old woman who is 5 weeks post-partum presents with right breast pain and a fever. She is breastfeeding her son. Over the past 3 weeks, she has seen her general practitioner (GP) on two occasions with mastitis and has been prescribed antibiotics. However, the pain is now worsening and she is starting to feel more unwell. She is normally fit and healthy. She does not take any regular medications and is allergic to penicillin.

Examination She has a temperature of 37.9°C and a pulse rate of 92/min. On examination, there is a localized, tender area, adjacent to the areola of the right breast. There are surrounding erythema and tender lymphadenopathy in the right axilla. What is the likely diagnosis? *This case is from Docplexus editorial team for educative purpose only Source: 100 Cases in Surgery Stay connected, the answer will be posted in next 48 h!