GI surgery for severe obesity and its complications
Bariatric surgery and its complications
Hepatocellular carcinoma
Gastrointestinal microbiota and its role in health and disease
Cancer treatment
Short bowel syndrome and intestinal failure
Inflammatory bowel disease
Gastroesophageal reflux disease and barrett
Hypospadias and urolithiasis
Acid related diseases
GI endoscopy and video capsule endoscopy
Sphincter sparing surgery for colorectal cancer
Screening and therapeutic colonoscopy
Minimally invasive surgery - flexible ureterorenoscopy
Robotic and advanced laparoscopic urologic surgery
Ureteropyeloscopy and laser lithotripsy
Percutaneous nephrolithotomy
Extracorporeal shock wave lithotripsy
Complex gastrointestinal surgery and its risk factors