Is Metastatic Cancer the Same As Stage 4?

By Staff WriterLast Updated Apr 11, 2020 4:32:47 PM ET

Metastatic cancer is not the same as stage 4 cancer, according to the National Cancer Institute. Metastasis means that the cancer has spread from its original site to other sites, according to the American Cancer Society. What precisely the stage designation means depends on the type of cancer.