Warning Signs

Possible symptoms or primary lung cancer may include:

• A new persistent cough
• Worsening of a chronic cough
• Persistent bronchitis
• Frequent respiratory infections
• Coughing up blood
• Chest pain
• Unexplained weight loss
• Unexplained fatigue
• Breathing problems or shortness or breath

When lung cancer has metastasized to other areas of the body, possible symptoms may include:

• Shoulder pain
• Hoarseness
• Difficulty swallowing
• Severe bone pain
• Blurred vision
• Headaches
• Seizures
• Weakness or loss of feeling in part of the body