Malignant phyllode tumor metastatic to the duodenum

Figure 1 Specimen of the pancreaticoduodenectomy with negative margin.

Figure 2 Computed tomography showing a 10 cm x 15 cm oval, mildly hypoechoic tumor with smooth margins.

Figure 3 Neoplastic cells showing invasion of duodenal mucosa and submucosa (A) (H&E x 100); duodenal tumor consisted of haphazardly arranged pleomorphic spindle cells (B) (H&E x 200); breast tumor showing the similar histopathological findings with the duodenal tumor (C) (H&E x 200).