A 40-year-old woman comes to her physician after noticing a lump in her breast. Physical examination reveals a 3 cm, firm irregular mass on the lateral aspect of the right breast with dimpling of the overlying skin. A subsequent biopsy of this mass reveals chronic inflammation, necrotic adipose tissue with saponification, and areas of calcification. These histologic findings are consistent with diagnosis of -

• A. Comedocarcinoma
• B. Fat necrosis
• C. Duct ectasia
• D. Granulomatous mastitis