13. Higher risk of infectious diseases
Patients with lung cancer have an immunity problem because the immune system is overwhelmed by the tumor and the metabolic issues caused by cancer cells. Thus, patients with lung cancer are more commonly affected by viral and bacterial infections of the respiratory tract.
Symptoms of lung cancer metastasis into the thoracic cavity
Lung cancer can spread to nearby or distant organs in late-stage disease. In the case of small cell lung cancer, metastasis is much more common and aggressive. But even in these cases, the thoracic cavity is usually the most compromised. Lung cancer starts to spread to nearby tissues and will begin to give out symptoms depending on the structures it comes across.
The most important signs and symptoms include: