Where Does Lung Cancer Spread?
How Does Lung Cancer Spread? Lung cancerspreads whencancer cellsbreak off from theprimary (original) tumorand travel through the bloodstream orlymphatic system. Where Does Lung Cancer Spread? Verywell / JR Bee Differentstages of the diseaseindicate how much the cancer has grown and spread. Local spread is known asstage 2. Metastasis triggers when cancer spreads to distant sites. The risk of metastatic lung cancer can also vary by the cancer bang out. As long as cancer only spreads to nearby lymph nodes, it isn’t considered metastatic....