Lung Cancer

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Brief Description: Lung cancer, as with all cancers, is an uncontrollable increase of cells. It happens within the lung tissue, but it could also go on to affect other nearby tissue and spread to further out than just the lungs.

Cellular / Molecular Basis: Lung cancer has two types; small cell and non small cell. The two types can be identified by their appearance when looked at with a microscope. It usually affects the cells that are lined along air passages in the lungs.

Causes: The foremost reason for lung cancer is cigarette smoking which causes around 90% of all deaths caused by lung cancer in the world. However, smoking is not the only way to get it. The second most frequent cause of lung cancer is exposure to radon gas, which is created by the decay of uranium. Exposure to asbestos can also result in lung cancer and various other lung diseases.

Signs and Symptoms: There is a range of symptoms for lung cancer, which are coughing frequently or coughing up blood, having difficulty swallowing, losing weight, a feeling of weakness or severe fatigue, pain felt within the ribcage, a swollen neck and face, shortness of breath, a croaky or gruff voice, pneumonia/ bronchitis and seizures or headaches. It can cause many complications, because the cancer could impede the patients airflow, therefore making it more difficult to breathe. Secretion could even build up behind the cancer, potentially prompting pneumonia. The cancer can also have an abundant supply of blood, and if broken, the cancer could bleed into the patients airway.

Detection: If lung cancer is suspected, CT scans and x-rays will take place to determine if the person has lung cancer. A healthy lung in an x-ray will be consistently dark, while a lung with lung ...

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Last Updated: 2012

Author Unspecified | Lung Cancer – What is Lung Cancer? | Antigenics | | Date Updated Unspecified

Jennifer Warner and reviewed by Laura J. Martin, MD | New Way to Treat Lung Cancer: Study Shows Targeted Radiation Therapy may Help to Control Non-Small-Cell Lung Cancer Tumors | Web MD | | March 16 2010

MayoClinic Staff | Lung Cancer: Prevention | MayoClinic | | November 10, 2011

Cris Barrish | Eight cancer clusters discovered in Delaware | Delaware Online | | 24 April 2012

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