1 Definition of small cell lung cancer

Meaning of small cell lung cancer: An aggressive (fast-growing) cancer that forms in tissues of the lung and can spread to other parts of the body.

An aggressive (fast-growing) cancer that forms in tissues of the lung and can spread to other parts of the body. The cancer cells look small and oval-shaped when looked at under a microscope.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.