What are symptoms of lungcancer?

Several . Sometimes no symptoms and found accidentally on x-rays. May cause spitting up of blood, cough, short of breath, chest pain. Depending on extent patients may lose appetite and weight.
Lung cancer. Symptoms and signs of lung cancer, among others: -cough that doesn't go away -changes in a cough or "smoker's cough" - coughing up blood, even a small amount -shortness of breath -chest pain -wheezing - hoarse voice -weight-loss - headache.