An example of the wall echo shadow (WES) sign. Well

Watch We Shall Remain, American Experience, Official Site

Cholelithiasis: WES Sign - JETem

3D Painted, Wood, Bronze, Brass, Silver Army Plaques

US - Wall Echo Shadow Sign: Ultrasound of the Month — Taming the SRU

Wall-echo-shadow sign (ultrasound), Radiology Reference Article

Hepatobiliary (Chapter 11) - Pediatric Emergency Critical Care and Ultrasound

Stones and polyp (arrow) in the gallbladder. Note the clear shadowing

Gallbladder ultrasound (Chapter 7) - Manual of Emergency and Critical Care Ultrasound

Wall-echo-shadow sign also known as - Radiology in brief

Biliary Ultrasound – Core EM

Artifacts in ultrasound imaging – Cardiovascular Education

Gallstone - Wikipedia