Biopsy of soft tissue from the left thigh revealed: (a) at 10x magnification shows lymphoid infiltrate with pattern resembling lobular and septal panniculitis, and (b) at 40x magnification shows lymphoid infiltrate with abundant cytoplasm. At 100x magnification with oil-immersion biopsy showed (c) atypical lymphoid cells with atypical and irregular nuclei as well as numerous fat cells, (d) numerous single-cell necroses and atypical lymphoid infiltrate, (e) mitotic figure in the center with areas of necrosis and fibrosis, (f) mitotic figure with scattered histiocytes and area of necrosis, and (g) area of necrotic debris.