New lymph node lesions

New lymph node lesions

Nodes that have a short axis < 10 mm are considered non-pathological and should not be recorded. When a node increases in size so that the short axis is ≥10mm  then the criteria for being considered malignant have been met.  However, nodes that increase from for example 9mm to 11mm may not represent true disease

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Does a new lesion always result in PD?

Lesions that disappear and reappear do not automatically result in PD unless Other criteria are also met (new lesions, increase in the sum of longest diameters ≥ 20%) OR CR (overall) was definitively (*) assigned at the previous assessment. In this scenario, the reappearance of any malignant lesion results in PD. (*) It is recommended

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