Deauville Criteria

The Deauville 5-point scoring system is an internationally accepted and utilized five-point scoring system for the fluorodeoxyglucose (FDG) avidity of a Hodgkin lymphoma or Non-Hodgkin lymphoma tumor mass as seen on FDG positron emission tomography:
Scores of 1 and 2 are considered to be negative and 4 and 5 are considered to be positive. "Score 3 should be interpreted according to the clinical context but in many Hodgkin Lymphoma patients indicates a good prognosis with standard treatment." 
History.
Deauville score was developed at Guy's and Saint Thomas Hospital in London after an international meeting at Deauville, France in 2009.