Yellow fever is a viral disease caused by the bite of a mosquito. It is found mainly in certain areas of Africa, Central America, and South America.

Detailed information on lung disorders and diseases, signs of respiratory distress, Chronic Obstructive Pulmonary Diseases (COPD), Asthma, Chronic Bronchitis, Pulmonary Emphysema, Acute Bronchitis, Cystic Fibrosis, Occupational Lung Diseases, Pneumonia, Primary Pulmonary Hypertension, Pulmonary Embolism, Pulmonary Sarcoidosis, Severe Acute Respiratory Syndrome (SARS), Tuberculosis

Cystic fibrosis (CF) is an inherited life-threatening disease that affects many organs. People with CF have problems with the glands that make sweat and mucus.

Detailed information on kidney transplantation.

A kidney stone is a hard, pebble-like deposit that forms in 1 or both kidneys. It may be as small as a grain of sand or as large as a pearl. Some are as big as golf balls. A stone may be smooth, irregular in shape, or jagged. Most are yellow or brown in color. There are different types of kidney stones.

Detailed information on the most common urogenital disorders, including analgesic nephropathy, bladder cancer, cystocele (fallen bladder), end stage renal disease, glomerulonephritis, glomerulosclerosis, goodpasture syndrome, hematuria (blood in the urine

Detailed information on chronic obstructive pulmonary diseases, including asthma, chronic bronchitis, and pulmonary emphysema

As part of your diagnosis, you and your doctor may discuss surgery as a way to correct your condition.

Many surgeons order routine lab tests before surgery. These tests help find possible problems that might complicate surgery if not found and treated early.

Learn about other surgical methods, like laser surgery and electrosurgery, that surgeons sometimes use.