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A Basic Introduction to Lung Cancer Facts

Lung cancer is one of the three most prevalent cancers in the U.S., along with breast and prostate cancer. Unfortunately, unlike breast cancer and prostate cancer, which affect similar numbers of people blog1as lung cancer, lung cancer is much more deadly. Lung cancer is the leading cause of cancer-related death in the U.S. and worldwide. This is true for both men and women. In 2012, lung cancer was responsible for 1.56 million deaths. The symptoms of lung cancer include weight loss, coughing, coughing up blood, shortness of breath, fever, chest pain and difficulty swallowing, but these symptoms are common to other respiratory illnesses, so their lack of distinctness delays medical attention to the cancer until it’s too late.

Risk Factors

The single greatest risk factor for lung cancer, by far, is long-term exposure to tobacco smoke, including secondhand exposure. Tobacco exposure accounts for 80-90 percent of lung cancer cases. The other primary risk factors are exposure to asbestos, radon gas or certain other air pollutions as well as, unfortunately, genetics. However, these only accounts for about 10-15 percent of lung cancer cases. Radon gas is a direct result of the breakdown of radium which is a product of the breakdown of uranium. It’s considerably more common in some places than others due to the prevalence or absence of radium deposits in the soil. It’s believed that air pollution accounts for about 1.5 percent of lung cancer cases. Genetic causes of lung cancer are not entirely understood, as is the case with most gene-related health issues.

Survival Rates

The five-year survival rate of lung cancer is 16.8 percent based on 2004 to 2010 statistics. Although this is truly tragic, it’s in large part because large majorities, more than 57 percent, of lung cancer cases that are discovered are in the late stages in which the cancer has metastasized. Of these cases, only 4 percent of people survive for five years. Therefore, 2.28 percent of lung cancer patients are diagnosed with late stage lung cancer and survive for five years or more.

The survival rate for individuals who are diagnosed with early stage lung cancer is 54 percent. Unfortunately, only 15 percent of cancer diagnoses are in the local stage. If we can convert even half of the late and middle stage diagnoses, which together account for a full 79 percent of all lung cancer cases, to early-stage diagnoses through regular checks and early detection, then the five-year survival rate of all lung cancer cases would rise to almost 32 percent. That is a big hypothetical completely dependent on the fact that relative survival for localized lung cancer remains static.

These statistics, 54 percent of lung cancer deaths, is an incredibly good reason for all long term smokers or secondhand smokers to get regular tests for lung cancer after the age of fifty. The average age of diagnosis is 70 while the average age at death is 72. If you or your partner has smoked for decades, get checked regularly.

Treatment Options

Perhaps the greatest tragedy is that even after successful treatment of the original tumor, the cancer may have spread to inoperable areas, necessitating alternative and less invasive options like precision radiology. Treatment options are limited in most cancer cases. Radiotherapy and chemotherapy are common blog2treatments for the late stages of cancer. Early stage lung cancer can see surgery as effective depending on the health of the individual and the type of cancer. Ultimately, hope for survival depends on early detection, a good attitude and a capable cancer care team.

 

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