This is one of the most painful and uncomfortable problems experienced by many people which makes them disinterested and incapacitated in their daily activities.First and second degree piles remain inside the anal canal and patients only experience bleeding, no pain.

Digestive system surgery or gastro intestinal surgery, can be divided into upper GI surgery and lower GI surgery. Upper gastro intestinal surgery (upper GI surgery, like esophagus, stomach, duodenum and ileum) refers to a practice of surgery that focuses on the upper parts of the gastro intestinal tract.

Hernia is a bulge that results from either an organ or a fatty tissue squeezing itself through a weak spot that surrounds a muscle or connective tissue called fascia. The bulge forms a soft lump which disappears when pressed on or when the person lies down. Additionally, hernias may be painful when the person bends over, coughs, or lifts something heavy.

The official name of the appendix is vermiform appendix, which means "worm-like appendage." It is a small, pouch-like sac of tissue that is located in the first part of the colon (cecum) in the lower- right abdomen. Appendix plays a role in immune function by its lymphatic tissue. It usually harbors bacteria.