Which symptoms can be early signs of lung cancer?

It is a common misconception that lung cancer presents with clear, early warning signs. In reality, symptoms of lung cancer typically do not appear until the disease has reached an advanced stage or has begun to spread to other parts of the body.12

Because the disease is often asymptomatic in its early phases, it is frequently discovered incidentally during examinations for other conditions. When symptoms do eventually manifest, they are often nonspecific and can include:2

• A persistent cough or wheeze12
• Shortness of breath (dyspnea)123
• Chest pain123
• Bloody sputum (hemoptysis)123
• Unexplained weight loss12
• Susceptibility to lower respiratory infections12
• General malaise, fatigue, or loss of appetite3

In some instances, the first signs of the disease may be related to metastasis, such as bone pain from a fracture, jaundice, or neurological changes. Due to the variable and nonspecific nature of these symptoms, medical professionals emphasize that the absence of symptoms does not rule out the presence of serious lung disease.123