Fig. 3
From: Uncommon metastatic journey: unusual breast metastases of medullary thyroid carcinoma: a case report
(A) Positive cytoplasmic staining for chromogranin (IHC x100). (B) Focal positive cytoplasmic staining for calcitonin (IHC x100). (C) Positive nuclear staining for TTF1 (IHC x100)