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Representative histological appearance of the different nuclear features including nuclear outline (A), chromatin pattern (B) and remarkableness of nucleoli (C). SMT, smooth; GRV, grooved; WKL, wrinkled; HMG, homogenous; GGR, ground glass; FGR, fine granular; CGR, coarse granular; CLR, clear; NLO, obscure; NLM, modest; NLP, prominent. Hematoxylin and eosin stain. Magnification is arbitrary.
