Answer:
Cancer can spread from the lung to the liver through a process called metastasis.
Step-by-step explanation:
When cancer spreads beyond the place where it started (primary site) to other parts of the body it is called metastasis. Metastasis can occur when cancer cells travel through the bloodstream or lymphatic vessels to other areas of the body. Many of the cancer cells that detach from the primary tumor die without causing any problems. But some come to a new area where they begin to grow and form new tumors.