Number of target lesions
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Up to 5 per organ, up to 10 in total
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Up to 2 per organ, up to 5 in total
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Measurable lesions
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≥10 mm in the longest diameter for all lesions
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≥10 mm in the longest diameter for all lesions except for lymph nodes
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≥15 mm in short axis for nodes
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Measurement of each lesion
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The longest diameter for all target lesions
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The longest diameter for non-nodal lesions, short axis for lymph nodes
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New lesions
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The presence of new lesion does not define progression
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Same as irRC simulating RECIST1.0 except:
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The measurements of the new lesion (s) are included in the sum of the measurements
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A lymph node has to be ≥15 mm in short axis to be a measurable new lesion and its short axis measurement is included in the sum
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Up to 5 new lesions per organ, up to 10 new lesions in total can be added to measurements
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Up to 2 new lesions per organ, up to 5 new lesions in total can be added to the measurements
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