The tumor displayed the character of low echo (21/32), obscure boundary(22/32), vascular invasion (26/32), pancreatic duct and common bile duct dilation (19/36).
结果超声内镜下胰头癌主要表现为边界不清晰（22/32）的低回声（21/32），伴有胆总管和胰管的扩张（19/36）、血管的侵犯（26/32）；
The boundary of liver lobule and pancreatic lobule was obscure.
肝脏和胰脏的小叶界限不清晰。
The boundary of malignant osteoblastoma was obscure, and adjacent tissue could be invaded.
侵袭性骨母细胞瘤边界不清，可侵犯周围组织。
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