Dr. John C Liao MD

A cough is described as a sudden explosive exhalation of air. It is basically a body's defense mechanism to protect and clear the airways from inhaled foreign materials. People may also voluntarily or spontaneously cough. Coughs often vary and may be characterized by productive (chesty or wet) or...

Before, during, and after having a baby, time is spent stressing about getting all the things the baby will need, thinking about whether the nursery will be done on time, and lots of time is spent worrying whether the baby will be healthy or not. This worst fear of many moms and dads came true for...

What are lung nodules?Lung nodules are spots present on the lung. These spots are usually around 1.5 inches or three centimeters in diameter. Lung nodules seen on imaging tests are often called as coin lesions. If a lung X-ray shows spots that are more than three centimeters, it is regarded as a...

Pleurisy is the inflammation of the two membranes that line your lungs. Both your lungs are lined by a thin membrane called the pleura. One layer is lining your lungs and the other is lining the inside of your chest wall. Between these two membranes is a small cavity known as the pleural cavity. It...

A lung biopsy is a medical procedure which involves removal of a small piece of lung tissue to examine it closely under a powerful microscope. Lung biopsy can be done in 4 different ways. However, the method used depends solely on the overall body health and the place of the lung where the sample is...

Bronchitis and Asthma are both inflammatory conditions that affect lungs where a person’s airways swell up, causing them breathing problems.Asthma, also known as bronchial asthma, is characterized as a chronic condition in which a person’s airways become inflamed, narrow and swollen, and produce...