From down- + stage + -ing.
downstaging (plural downstagings)
- (oncology) A reduction in the stage of a cancer, from a more to a less threatening stage.
2014, Nicholas J. Zyromski, Handbook of Hepato-Pancreato-Biliary Surgery, ISBN 1469873508:
- The goal of downstaging is to decrease the size and number of tumors in patients who do not meet the criteria for transplantation on initial evaluation.