Dr. Roger Lee Frerichs M.D.

The gallbladder is a small pear-shaped organ located between the liver and small intestine. Even though it plays a big role in digestion, a person can live a normal life without it. This means that the gallbladder can be discarded without necessarily affecting the functionality of other organs. If...

The appendix found in the human body was long the subject of debate among doctors all over the world in their journals and reviews. However, very few of these debates have turned out to be worthy of serious consideration because the majority of doctors have conceded the fact that the appendix serves...

The central venous catheter is a type of a catheter that is normally placed in a vein of large size. It is also called the central venous line or central line. Central venous catheters can be fitted in veins found in the chest, groin, arms, and neck. This type of catheter is often used in the...

A gastric bypass surgery is done to achieve weight loss, especially in individuals who are obese and overweight. This type of major abdominal surgery alters the stomach and intestines to limit a person's food intake.Annually, there are more than 200,000 Americans who undergo gastric bypass surgery....

What is the gallbladder?The gallbladder is a four-inch, pear-shaped organ situated below your liver. It acts as a storage organ for bile, which is a mixture of fats, cholesterol, and fluids. The main purpose of bile is to help in breaking down fats during digestion. The whole process allows for easy...

In a thyroid biopsy, a small tissue sample of your thyroid gland is removed and then examined under a microscope to test for an infection, cancer cells, and other thyroid disorders. The thyroid is a small gland located in lower part of the neck, just below the larynx. The gland's main function is...