Criteria | Number of lesions (%) |
---|---|
Diameter changes | |

RECIST (≥30% decrease) | 4 (7%) |

MASS (≥20% decrease) | 9 (15%) |

Choi (≥10% decrease) | 13 (22%) |
Density changes | |

MASS (≥40HU decrease or marked central necrosis) | 0 (0%) |

Choi (≥15% decrease) | 23 (39%) |
Combined diameter and density criteria | |

MASS (≥20% diameter decrease, ≥40HU density decrease, or marked central necrosis) | 9 (15%) |

Choi ((≥10% diameter decrease of ≥15% density decrease) | 29 (49%) |