Complete response | Disappearance of the disease |
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Partial response | A decrease in size (%Δ Choi SLD) ≥ 10% or an increase in CT density > 15% compared with baseline, no new lesions, and no obvious progression of non-measurable disease |
Stable disease | Does not meet the criteria for CR, PR, or PD |
Progressive disease | An increase in unidimensional tumor size (Choi SLD) ≥ 10% and does not meet the criteria for PR using CT density; any new lesions identified by CT/MRI; new intratumoral nodules or increase in the size of existing intratumoral nodules |
Unevaluable | The CT/MRI exam is unavailable or deemed UE; if a target lesion is deemed UE by density and size measurement and the rules for PD do not apply, a response of CR, PR, or SD cannot be assigned for the time point and the response will be UE |