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Is cyanosis a symptom of lung cancer?

Cyanosis is not significantly associated with lung cancer. Cyanosis is worrisome, however, and does mean that the body is not perfusing enough oxygen to the skin and organs. A person with cyanosis should seek medical advice.

It can be. Cyanosis is a bluish discoloration of the lips and nailbeds which indicates an unusually low level of oxygen in the bloodstream. This can be found with lung cancer in two scenarios.

In the first scenario, cyanosis is indeed a symptom caused by lung cancer. This occurs in patients with advanced lung cancer when the tumor is large enough to block a major airway and thus interfere with oxygen entering the lungs.

In the second scenario, cyanosis is present but not a symptom of the lung cancer. Many lung cancer patients are heavy smokers who have sustained severe damage to the lungs due to emphysema. The cyanosis in such patients is caused by the emphysema but they may also have a coexisting lung cancer.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.