예기치 않게, 덩어리의 점막하 혈관 내에 단조로운 큰 유핵 세포의 둥지가 있었고, 이는 CD20에 대해 양성이었다.
Unexpectedly, however, there were nests of monotonous large nucleated cells within the submucosal vessels of the mass, which were positive for CD20.