Fine needle aspiration Cytology. A. A small cluster of spindle and round cells with pleomorphic nuclei. B. A medium sized cluster with loosely cohesive round cells with hyper chromatic nucleus. C&D. A Large cluster with very loosely cohesive signet ring cells with eccentric, hyperchromatic, pleomorphic nuclei. E&F A large cluster with loosely cohesive round to polygonal foamy cells with hyperchromatic nuclei. G. Giant-sized foamy cells with eccentric nuclei. H. Giant binucleated foamy cell. Magnification (Giemsa, × 100).