Esophagogastroduodenoscopy (EGD) requires clear visualization of the upper gastrointestinal (UGI) mucosa, but there is no standardized method to assess mucosal visualization. Lesions are often missed
Esophagogastroduodenoscopy (EGD) requires clear visualization of the upper gastrointestinal (UGI) mucosa, but there is no standardized method to assess mucosal visualization. Lesions are often missed