how does cancer spread – Hafnium Zone

Question: how does cancer spread
- Keywords:
  body,
  cancer,
  cell
Asked by solosalix to Chris, Josh, Rebecca, Rob, Susan on 23 Jun 2015.
- Josh Meyers answered on 23 Jun 2015:
  
  A cancer can spread by metastasizing.
  
  This is where a malignant tumour sends small, aggressive cells out into the bloodstream. These cells (called metastasis) can take root in new body tissues and once it has done that, the cancer can continue to grow.

Question: how does cancer spread