Lung cancer metastases may travel through airways to adjacent or distant lung tissue
Lung cancer is the most common and most lethal cancer worldwide. Its prognosis remains poor: The 5-year survival rate is 6-18%. Adenocarcinoma has surpassed squamous cell carcinoma as the leading histologic type, accounting for 30% of all cases of lung cancer. Hematogenous spread (i.e., carried by blood) is the most common mechanism of intrapulmonary metastasis…