Health A-Z

Lung Cancer

Clinical Definition Lung cancer is an uncontrolled, abnormal growth of cells that invades and destroys healthy pulmonary tissue. Symptoms can be due to the effects of the tumor in the lungs, metastases to distant sites or the activity of the cancer cells themselves. Smoking causes the vast majority of lung cancers. Treatments include chemotherapy, surgery,


Clinical Definition Systemic lupus erythematosus (SLE) is the most common form of lupus, a serious autoimmune disease that may affect the skin, heart, joints, lungs and brain. The immune system produces antibodies to the body’s own cells, which triggers widespread inflammation and tissue damage. Anyone can be affected, but this disease often strikes women of

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