9 Uncommon Signs of Lung Cancer You Need to Know About

Flattened fingers


Skin care hands.


Known as digital clubbing, this symptom could be one of the signs of lung cancer. Your fingertips or the ends of your toes may enlarge, and you may see a change in the angle where the nails emerge.

“Some patients will have pronounced curvature of the fingernails,” Dr. Weiser says, though he stresses that this is rare.


The importance of early detection


Close Up Of Hospital Staff Reviewing Notes On Digital Tablet


Both Dr. Schroeder and Dr. Weiser emphasize that because most people with lung cancer do not experience symptoms in the earliest stages, when treatment can be more successful, it’s vital that those at high risk for the disease get a CT scan of the chest every year starting at 55. (Chest X-rays are not useful for diagnosing lung cancer, they say.) “Tumor size matters,” says Dr. Schroeder. “If we can detect the tumor when it’s small and we can intervene early, the chance of survival increases greatly.”

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