Treatment response | Lesion size | Contrast Enhancement | Necrosis | Combined criteria |
---|---|---|---|---|
Complete response | Disappearance of lesion | - | Total necrosis | Disappearance of lesion OR Total necrosis |
Partial response | ≥ 30% decrease | - | - | ≥ 30% decrease |
Stable disease | < 30% decrease or <20% increase | - | - | Neither complete, nor partial nor progressive lesion |
Progressive disease | ≥ 20% increase | Lobulated thick enhancement | - | ≥ 20% increase OR Lobulated thick enhancement |