How is diagnosis and staging of lung cancer?

It is important to answer 2 questions, what cell type and what stage it is. Evaluation done by hx taking and PE, CBC, serum chemistries and CT scan of chest Usually we catch it in a late stage with metastasis to other organs or paraneoplastic syndrome Symptoms of both types are similar. PET scans are useful in assessing unsuspected mediastinal involvement... giving us the right path to go through