Molecular Imaging 2017

Response Assessment: MRI

MRI Tumour Regression Score:

1 Complete response 2 Excellent response

No visible tumour

Predominantly fibrosis, small amount of viable tumour

3 Good

Mixed areas of fibrosis and tumour

response

4 Moderate response 5 Poor or no response

More tumour than fibrosis

No fibrosis, only tumour signal visible