Endoscopic Ultrasound (EUS) abroad 

Endoscopic ultrasound (EUS) is a minimally invasive procedure to assess digestive (gastrointestinal) and lung diseases. A special endoscope uses high-frequency sound waves to produce detailed images of the lining and walls of your digestive tract and chest, nearby organs such as the pancreas and liver, and lymph nodes.

Why it's done?

EUS may help in the evaluation of: Cancer of the colon, esophagus, lung, pancreas or stomach, and ampullary and rectal cancers Lymphoma Barrett's esophagus Neuroendocrine tumors Pancreatitis and pancreatic cysts Bile duct stones Sarcoidosis