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(A) PAS positive secretory material in ductular lumina and, as globular structures, in intracytoplasmic vacuoles (arrows). (B) Positive immunostain for S100 antibody, (C) Positive immunostain for E-cadherin, (D) Metastasis to sentinel lymph node. (Original magnification: A 400X; B and C 200X; D 100X).
