Case ReportPublished 15 July 2026Case Report: Alternative biopsy targets plus CEUS-guided omental puncture: enabling CLDN18.2 detection and precision therapy enrollment in pancreatic cancerHang Yin · Xiaomeng Zhang · Bing Song · Hui Li · Kun Liu · Chengzheng ZhangFrontiers in Radiologydoi 10.3389/fradi.2026.1800543