One in 16 Americans will be diagnosed with lung cancer in their lifetime. As the leading cause of cancer deaths in the U.S., lung cancer is a serious threat, but early detection and treatment can save lives. Most early-stage cases of lung cancer are either asymptomatic or show minimal symptoms, so catching the disease at Stage 1 provides the best chance for a cure. Unfortunately, by the time symptoms appear, the cancer is often more advanced, making successful treatment more difficult.
Lung Cancer Screening Guidelines
The American Cancer Society recommends lung cancer screenings for individuals over the age of 50 with a history of smoking one pack a day for 20 or more years. This includes current smokers and those who have quit within the last 15 years.
The primary screening method is low-dose computed tomography (LDCT), a type of CT scan that uses low-dose radiation to create detailed images of the lungs. The scan is quick, non-invasive, and painless, and it is designed to detect pulmonary nodules— abnormal tissue growths that can increase the risk of lung cancer.
If a nodule or abnormality is found, doctors may recommend a lung biopsy. This procedure can be done using various methods, including a biopsy needle, endoscopy, video-assisted thoracic surgery (VATS), or robotic bronchoscopy. While most lung nodules are non-cancerous, regular monitoring is important to ensure they don’t develop into lung cancer. A physician or pulmonary specialist can help assess the risk and decide on the best course of action.
Lung Cancer Types and Treatment
Lung cancer treatment varies depending on the type and stage of the disease. Options include surgery, chemotherapy, radiation therapy, targeted therapies, and immunotherapy. It’s important to work closely with your oncologist to understand your treatment choices and the potential side effects. Asking questions and staying informed can help you feel more in control of your treatment.
There are different types of lung cancer, with non-small cell lung cancer (NSCLC) being the most common, accounting for about 85% of cases.
Small cell lung cancer (SCLC) is more aggressive and makes up about 15% of lung cancers, often located in the central areas of the lungs or chest, and is typically treated without surgery.
A rare form of lung cancer is carcinoid tumors, which arise from neuroendocrine cells in the lungs and are usually treated surgically.
Why Screening Matters
More people die from lung cancer every year than from breast, prostate and colorectal cancers combined. More than three-fourths of these deaths could have been prevented if the cancer had been caught at an early stage. Sadly, only 15 percent of lung cancer cases are being caught early enough. For those diagnosed with stage four lung cancer, the five-year survival rate is just around 5%.
Detecting cancer early helps ensure that it is still “localized,” or contained to the lungs. Once it has spread outside the lungs, the survival rate is just three percent. As there are typically no symptoms until after the cancer has spread outside the lungs. Proactive screening based on risk is the best tool in the fight against lung cancer. Talk to your primary care provider to determine your risk for lung cancer and eligibility for lung cancer screening.
By Ganga Ranasuriya, M.D., UPMC Pulmonology
Ganga Ranasuriya, M.D., is with UPMC Pulmonology and sees patients at UPMC Williamsport, 700 High St., Williamsport. To make an appointment with Dr. Ranasuriya, call 570-321-3580. To learn more about UPMC Pulmonology services in northcentral Pa., go to UPMC.com/LungNCPA.
