Surgical oncology with particular interest in cancers of the esophagus, stomach, liver, biliary system, adrenal gland, pancreas (Whipple procedure), and colon, general surgery, sarcomas, gastric reflux disease (GERD), achalasia, hepatocellular carcinoma, retroperitoneal tumors, gastrointestinal stromal tumors (GIST), Zenker's diverticulum, tumors involving IVC (inferior vena cava) and other esophageal disorders.
Hypercoagulability in foregut malignancies; Notch signaling, Hedge Hog, sonic signaling in esophageal cancer; Clinical trials in esophageal, pancreatic, and gastric cancer; Metabolomics in GIST tumors.