Lung Cancer

Lung cancer is a tumor that forms in your lungs.

Body System

The body system affected by this disease is the respiratory system.


The normal respiratory system works by taking air in, putting it into the lungs. From there it goes into the blood cells in the blood stream. Then it cycles through the body.


With someone with lung cancer, the respiratory system is clogged. A lot of the bronchial tree is clogged by the tumor cells. Your body cannot get the oxygen that it needs.

Target Population


There are about 224,210 new cases of lung cancer (both small cell and non-small cell). There are about 159,260 deaths from lung cancer. About 1 in 13 men in the United States develop lung cancer.

There is not a racial group that is more likely to get lung cancer.

Onset

Lung cancer is typically caused by smoking or exposure to smoke. But, some people can develop lung cancer even though they never smoked.

Diagnosis

Some of the ways doctors can detect lung cancer is by taking an MRI or a CAT scan. Doctors look at the following factors as well:

  • Smoking history

  • Substances that you have been exposed to

  • Family history of cancer

Signs and Symptoms

  • A cough that doesn't go away and worsens over time

  • Constant chest pain

  • Coughing up blood

  • Shortness of breath, wheezing, or hoarseness

  • Repeated problems with pneumonia or bronchitis

  • Swelling of the neck and face

  • Loss of appetite or weight loss

  • Fatigue

Treatment

  • Surgery- removing tumors from your lungs

  • Lobectomy- take out a lobe of a lung when the cancer is isolated to that one lobe

  • Segmentectomy. This is another way to remove the cancer when an entire lobe of the lung cannot be removed. In a segmentectomy, the surgeon removes the portion of the lung where the cancer developed.

  • Pneumonectomy. If the tumor is close to the center of the chest, the surgeon may have to remove the entire lung.

  • Radiofrequency Ablation. Radiofrequency ablation (RFA) is the use of a needle inserted into the tumor to destroy the cancer with an electrical current. It is sometimes used for a lung tumor that cannot be removed with the other types of surgery listed above.

  • Radiation therapy

  • Chemotherapy

Prognosis

  • smoking shortens male smokers’ lives by 13.2 years and female smokers’ lives by 14.5 years.

  • 32 out of 100 people will live for 1 year

  • 10 out of 100 will live for 5 years

  • 5 out of 100 will live for 10 years
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Connections

I chose this topic because there is a lot of information about it. Many people in the US have lung cancer.
Lung Cancer: Symptoms, Diagnosis and Staging - Joshua R. Sonett, MD