Objective To evaluate the value of endoscopic ultrasonography (EUS) in the diagnosis of colorectal eminence lesions.
To Investigate the diagnostic value of fine needle aspiration and biopsy under the guidance of endoscopic ultrasonography for the upper gastrointestinal diseases.
Objective To evaluate miniature probe endoscopic ultrasonography (mEUS) in diagnosis of submucosal tumor (SMT) of upper digestive tract.
