Fig. 3

Endoscopic ultrasonography showed 15 mm round hypo echoic mass with fluid collection in its margin (a) and contrast enhanced-ultrasonography using Sonazoid showed iso or high vascularity (b). Positron emission tomography revealed high accumulation of 2-[18F] fluoro-2-deoxy-D-glucose as 4.53 of max standardized uptake value (c)