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Table 1 Size-based criteria for response to chemotherapy

From: Prospective comparison of various radiological response criteria and pathological response to preoperative chemotherapy and survival in operable high-grade soft tissue sarcomas in the Japan Clinical Oncology Group study JCOG0304

Criteria RECIST Modified RECIST WHO JOA Modified Choi
Measurement 1 direction 2 directions 2 directions 1 and 2 directions 1 direction
CR Disappear Disappear Disappear Disappear Disappear
PR ≥ 30% decrease ≥ 50% decrease ≥ 50% decrease 1d ≥ 30% decrease or 2d ≥ 50% decrease ≥ 10% decrease
MR 2d 25–50%
SD non PR and PD non PR and PD non PR and PD non PR and PD non PR and PD
PD ≥ 20% increase ≥ 44% increase ≥ 25% increase 1d ≥ 10% increase or 2d ≥ 25% increase ≥ 10% increase
  1. CR complete response, PR partial response, MR minor response, SD stable disease, PD progressive disease, 1d one direction, 2d two directions