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New Lung Cancer Screening Recommendations Will Save Lives

March 18, 2021

The U.S. Preventive Services Task Force recently announced new screening recommendations for lung cancer, significantly broadening the previous guidelines. The importance of this expansion in protocol can’t be overstated: Lung cancer is the leading cause of cancer deaths in the United States. Lack of early detection means low survival rates — only 19 percent of people with lung cancer live longer than five years.

The new guidelines open up the screening window for more Americans to be eligible for free or discounted screenings via the Affordable Healthcare Marketplace, private insurance and Medicare benefits. In turn, increased screenings likely will improve survival rates.

Who Is Eligible for Earlier Screening?

Under the new criteria, the screening eligibility age will lower from 55 to 50, along with a decrease in the smoking history requirement to 20 pack-years from 30 pack-years. (A pack-year is calculated by multiplying the number of packs of cigarettes smoked a day by the number of years you have smoked.) It’s estimated the screening changes will increase eligible patients by 6.4 million, which include many more women and African Americans — two groups who tend to develop lung cancer younger and from lower tobacco usage rates.

Screening Process

While a number of different testing methods are available, the recommended screening test for lung cancer is a “low-dose CT scan” (LDCT). As you lie on a table, X-ray equipment produces a detailed, three-dimensional image of your lungs. It’s a fast and effective way for doctors to detect lung nodules as small as a grain of rice.

The CT scan’s lower dose of radiation limits the risk of radiation exposure. Should preliminary scans detect an issue, doctors can retrieve cells from the lungs for further analysis by sampling tissue, fluid or mucus in and around the lungs or through a surgical biopsy

How To Lower Your Risk

Called  “the silent killer,” lung cancer’s symptoms often aren’t overt or unusual until the progression is very serious, but there are things to look for — and ways to prevent it.

Early signs include:

  • Shortness of breath or difficulty breathing

  • Persistent cough

  • Chest pain or chronic bouts of bronchitis

  • Bone pain in your shoulders, neck or arms

  • Hoarseness

  • Unexplained weight loss

Patients at moderate to high risk for lung cancer should take important preventive steps, which include:

  • Stop Smoking: Ninety percent of lung cancer cases are caused by smoking, including breathing in secondhand smoke exhaled by others.

  • Decrease or eliminate exposure to radon gas: An odorless, colorless gas found naturally in soil, radon is the second-leading cause of lung cancer and can enter your home through cracks in the walls and foundation. Inexpensive tests and remedies can minimize your risk.

  • Mind your environment: Reduce your exposure to hazardous chemicals and polluted air.

  • Stay vigilant: Inform your doctor of your family history and lifestyle habits, and avoid second-hand smoke exposure as much as possible. Genetics and many other conditions, such as pulmonary fibrosis and HIV infection, can increase your lung cancer risk. 

To determine if you might be a candidate for screening, the American Lung Association has developed this short quiz. Lifesaving early detection just got easier, but it's up to you to take advantage of it.

 

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