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World J Gastroenterol. Mar 7, 2014; 20(9): 2176-2185
Published online Mar 7, 2014. doi: 10.3748/wjg.v20.i9.2176
Figure 1
Figure 1 A 25-G needle is used to aspirate a 2 cm pancreatic head mass that does not appear to encase the portal vein (A), adenocarcinoma confirmed on wet smears obtained from the first pass in the case above (B). Papanicolaou stain, × 40.