metastasis
/mɛtəˈstæsɪs/Definitions
1. noun
The process or state of spreading or being spread from one part of the body to another, typically referring to the spread of cancer cells.
“The cancer had reached the metastasis stage, making it difficult to treat.”
2. noun
A secondary growth or occurrence of a disease, especially cancer, at a site other than the original one.
“The doctor explained that the metastasis of the tumor would require a different treatment plan.”