Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) An endoscopic ultrasound image showing a well-defined hypoechoic lesion arising from muscularis propria of oesophagus suggestive of a submucosal lesion. (b) An upper gastrointestinal endoscopy showing a sub mucosal tumour with intact mucosa
