What Are the Symptoms of Lung Cancer

What Are the Symptoms of Lung Cancer?

• Persistent coughing, which gets worse and more serious

• Expectorated sputum that displays abnormal colors or contains blood

• Shortness of breath

• Pain in chest, shoulder blades, and back

• Recurrent pneumonia and bronchitis infections

• Hoarse voice

• Weight loss

• Headache

Lung cancer is a form of cancer that begins in the lungs. It can metastasize and spread to other parts of the body. In the US, 117,000 people will suffer from lung cancer, and 140,000 of them will die from the disease this year. The number of people who die from lung cancer is greater than the combined number of people who die from colon cancer, prostate cancer, endometrial cancer, and breast cancer.

Lung cancer can be divided into three major types:

• Non–small cell lung cancer. Non–small cell lung cancer is the most common form of lung cancer; 85% of lung cancer belongs to this type.

• Small cell lung cancer. Small cell lung cancer is an invasive form of cancer that can readily spread to other parts of the body; 10–15% of lung cancer is of this type.

• Lung carcinoid cancer. Lung carcinoid cancer is also known as "neuroendocrine lung cancer." Less than 5% of lung cancer belongs to this type; it grows slowly and rarely spreads to other parts of the body.

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