Q. How long do lung cancer patients live?

Doctor Answer is medically reviewed by SecondMedic medical review team.

Answered by Secondmedic Expert

The average life expectancy for lung cancer patients depends on several different factors, such as the stage of their disease, the type of treatment they receive, and their overall health.

Stage I and II lung cancers are generally considered more curable than advanced stages. If a patient has localized tumors (Stage I) following aggressive treatment with surgery or radiation therapy then the five-year survival rate is actually quite good — around 60%-80%. Unfortunately, Stage III lung cancer is much harder to treat since it is often found in multiple locations throughout the lungs. However, if treated aggressively with combination chemotherapy and radiation therapy then some patients still have a five-year survival rate as high as 40%-60%.

On the other hand, Stage IV—the most advanced form of lung cancer—is difficult to treat and often results in a lower survival rate. The key factor here is whether or not the cancer has spread beyond the lungs into other areas such as brain metastases or distant sites outside of both lungs. Patients who have distant metastasis typically do not live longer than 6 months without proper medical intervention while those whose tumor extent remains localized can see significantly extended survival rates--up to 18 months or even 3 years depending on where it's located and how well they respond to treatment.

Ultimately, these are just general estimates and every individual’s situation will differ but one thing remains true: early detection still provides your best chance at improving prognosis so make sure you visit your doctor regularly if you're at risk for developing this illness!

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