20 Unexpected Signs and Symptoms of Lung Cancer

9. Finger clubbing

Finger clubbing is not a very common sign but up to 15% of lung cancer patients have clubbing fingers. When your fingers become swollen and red, and your nail bed become thick, it is best to consult your doctor.

10. Puffy neck and face

If there's tumor in your lung, the blood that would have gone back to your lungs gets backed up. With no place to go, the accumulated blood causes swelling in the face, neck. Even your arms and upper chest can be affected.

11. Overwhelming fatigue

When the lungs don't function well, you may experience excessive fatigue. It's not just a tired feeling, it's overwhelming exhaustion that drains your energy from doing anything.