In vertebrates, the gallbladder is a small hollow organ...
Colorectal surgery is a field in medicine dealing with disorders...
Hernia repair refers to a surgical operation for the correction...
Gastroesophageal reflux disease (GERD), also known as acid...
Common bile duct stone, also known as choledocholithiasis...
Colonoscopy or coloscopy is the endoscopic examination...
Hemorrhoids, also called piles...