This is a prospective study to determine the optimal technique for obtaining liver tissue with a smaller caliber (22 gauge) needle and whether a good core biopsy can be obtained without the use of suction and secondly to determine the diagnostic yield and safety of 22 g Fine Needle Biopsy needle for liver biopsy.
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Diagnostic adequacy of the liver biopsy specimen
Timeframe: Sample obtained during EUS-guided liver biopsy.