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Most normal tissues showed weak to moderate nuclear positivity. Additional cytoplasmic positivity was observed in several cases, for examples intestine tract. Respiratory epithelium of bronchus, small intestine, gall bladder, thyroid, renal tubules and Leydig cells displayed strong positivity. Lung, soft tissues, spleen, glial cells, lymphoid tissues, hematopoietic cells and trophoblasts were generally negative.