Table 1 mRECIST criteria

Complete response (CR)

Disappearance of any intratumoral arterial enhancement in all target lesions

Partial response (PR)

At least a 30% decrease in the sum of diameters of viable target lesions

Stable disease (SD)

Any cases that do not qualify for either partial response or progressive disease

Progressive disease (PD)

Increase of at least 20% in the sum of the diameters of viable (enhancing) target lesions