Figure 1: (a) Two different types of cells were observed in the sinusoidal area. The first group of cells (marked with asterix) was cytologically atypical and the second cell type (marked with arrow) showed hyperchromatic nucleus, high nuclear/cytoplasmic ratio, and varying cell size (H&E ×400). (b) The first atypical cells (marked with asterix) were forming groups in some areas and some of them included intracytoplasmic mucin (H&E ×400)