
A prospective, multicenter study found that a blood-based miRNA assay combined with CA19-9 improved early detection of pancreatic ductal adenocarcinoma.
A 54-year-old man presents with symptoms of "reflux." An esophageal biopsy is obtained. What is your diagnosis?
A 54-year-old man presents with symptoms of “reflux.” An esophageal biopsy is obtained.
Based on the image shown, what is your diagnosis?






