Non-Small-Cell Lung Cancer (cont.)
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NonSmall-Cell Lung Cancer Symptoms
The symptoms of lung cancer are caused by the primary tumor or by metastatic disease. The primary tumor may press on, invade, or damage surrounding tissues, blood vessels, or nerves. Metastatic lung cancer may cause similar problems in other parts of the body. As many as 10% of people with lung cancer have no symptoms. Their cancers are detected on chest X-ray films performed for other reasons.
The symptoms depend on the primary tumor’s size, its location in the lung, the surrounding areas affected by the tumor, and the sites of tumor metastasis, if any. Symptoms related to the primary tumor may include any of the following:
Symptoms of metastatic lung tumors depend on location and size. Lung cancer most often spreads to the liver, the adrenal glands, the bones, and the brain. About 30-40% of people with lung cancer have some symptoms or signs of metastatic disease.
Paraneoplastic syndromes are conditions that the disease causes indirectly. These are less common with NSCLC than with small cell lung cancers, but they do occur.
When to Seek Medical Care
Any pain in the chest, side, or back; breathing problem; or cough that persists, worsens, or produces blood warrants an immediate visit to a healthcare professional, especially if you are or ever were a smoker.
Medically Reviewed by a Doctor on 9/11/2014
Irfan Maghfoor, MD
Michael Perry, MD, FACP
Winston W Tan, MD
Mary L Windle, PharmD
Koyamangalath Krishnan, MD, FRCP
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