Sections showing disturbed nodal architecture by atypical intermediate-sized and large atypical round cells exhibiting single central micronucleoli. Anaplasia is moderate and mitosis is active. Marker study (CD20, CD3, and CK) is recommended for definitive typing.
Submandibular mass lesion.
Soft tissue fragments collectively measured 3x2.5x1.5 cm, totally embedded.
Submandibular lymph node, excision biopsy: