How long can lung cancer seeper last?

Lung cancer is a common malignant tumor of respiratory system in clinic. The most common symptoms in early stage are cough, expectoration, or sputum with blood, etc. once pleural effusion is shown, the disease development is generally more serious, and the pathological stage of the tumor belongs to advanced stage. Because pleural effusion is manifested, the patient is likely to show chest tightness, shortness of breath, etc. However, how long the patient can survive depends on the comprehensive judgment of pathological type, clinical stage and physical quality.