Often lung cancer does not show symptoms until reaching the late stages. However, some cases may show some symptoms. The most common symptoms of lung cancer are persistent chest pain and cough or coughing up blood or sputum. Other symptoms include hoarseness, loss of appetite, unexplained weight loss, shortness of breath, weakness, tiredness, wheezing and infections like bronchitis or pneumonia.
If lung cancer has spread to the other organs of the body, then people may suffer from bone pain, headache, numbness in the arm or leg, dizziness, seizures, and yellow skin or eyes. Besides this, lung cancer can also cause Horner syndrome, Superior vena cava syndrome and Paraneoplastic syndromes.
In conclusion, there is no way to know if you have lung cancer until the symptoms show up or you undergo a health check-up.
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