The symptoms of lung cancer can vary depending on the stage of the disease and the type of lung cancer. Some common symptoms of lung cancer include: Persistent cough that doesn't go away or worsens over time Chest pain that is often worse with deep breathing, coughing, or laughing Shortness of breath or wheezing Hoarseness or other changes in voice Coughing up blood or rust-colored sputum Fatigue and weakness Loss of appetite and weight loss Recurrent lung infections, such as pneumonia or bronchitis It's important to note that many of these symptoms can also be caused by other conditions, so it's essential to see a doctor if you experience any persistent or concerning symptoms. Early detection and treatment can improve outcomes for individuals with lung cancer.