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World J Gastrointest Endosc. Apr 16, 2022; 14(4): 191-204
Published online Apr 16, 2022. doi: 10.4253/wjge.v14.i4.191
Figure 2
Figure 2 Immunotherapy. A: An ill-defined heterogeneous mass of known pancreatic ductal adenocarcinoma (asterisk); B: Fine needle injection for intratumoral therapy. The arrows demonstrate a 19-gauge needle. The asterisk indicates the hyperechoic blush of the injectate.