“…A superficial endoscopic biopsy sometimes is inconclusive due to the tendency of RLP to cause extensive submucosal infiltration. Endoscopic ultrasound-guided tissue acquisition (EUS-TA) is currently an alternative diagnostic modality when endoscopic biopsy fails to verify the diagnosis 1 2 . Recently, detective flow imaging (DFI) has been developed as a new ultrasound imaging technology 3 .…”