Early signs of lung cancer can include a persistent cough, chest pain, and trouble breathing. It doesn't always cause symptoms in its early stages. Early signs of lung cancer also can lead to symptoms in other parts of the body, like kidneys. Smokers should talk to a healthcare provider about lung cancer risk and screenings. The American Cancer Society says major weight loss is often the first obvious sign of lung cancer. This comes with other symptoms like losing your appetite and feeling very tired. Early lung cancer symptoms may include cough, chest pain, and wheezing. Learn what to be aware of and how early diagnosis and treatment can help. Signs and Symptoms of Lung Cancer Most lung cancers do not cause any symptoms until they have spread, but some people with early lung cancer do have symptoms. Lung cancer is the third most common cancer in the UK, being the second most common for both men and women individually. However, lung symptoms tend to be overlooked because they are usually attributed to other conditions, such as flu, asthma, COVID-19, or COPD. Early stages of lung cancer don’t always present symptoms, so it’s important to be aware of key signs if you do start to develop. Since lung cancer tends to spread or metastasize very early after it forms, it is a very life-threatening cancer and one of the most difficult cancers to treat. While lung cancer can spread to any organ in the body, certain locations -- particularly the adrenal glands, liver, brain, and bones -- are the most common sites for lung cancer metastasis. Symptoms Lung cancer typically doesn't cause symptoms early on. Symptoms of lung cancer usually happen when the disease is advanced. Signs and symptoms of lung cancer that happen in and around the lungs may include: A new cough that doesn't go away. Chest pain. Coughing up blood, even a small amount. Hoarseness. Shortness of breath. Wheezing. Signs and symptoms that happen when lung cancer. What are the symptoms of lung cancer, and when do they warrant medical attention? Here, thoracic and cardiovascular surgeon Ara Vaporciyan, M.D., weighs in on when to see a doctor, and five survivors share how they discovered they had lung cancer. Discover the early signs of lung cancer, key symptoms to watch for, and why early detection is crucial for effective treatment. The 7 Pre-stage 1 Lung Cancer Signs Warning Signs That Appear Before Formal Staging Understanding early warning signs of lung cancer requires recognizing subtle changes in your body that persist beyond typical illness timeframes. These persistent cough lung cancer indicators and other symptoms often emerge during pre-clinical phases when tumors are microscopic or too small to stage formally.