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.