# Default value for lesions marked TOO SMALL TO MEASURE

Use this option to specify a value to replace when TRSTRESN is missing and the TRSTRESC result has a value of TOO SMALL TO MEASURE. Per RECIST guidelines, this should be a value of 5mm.

The value recorded in TRSTRESU should be considered when setting this default value.

Note: The value of TRSTRESC has to exactly match that text string (case insensitive), any other reason/case of missing TRSTRESN results will not replace with a default value.

### To Specify the Lesion Threshold:

| 8 | Either enter the desired size in the text field or move the slider to the right or to the left to change the value.

Tip: To change the scale of the slider, right-click on the slider and select
from the pop-up menu. Change the upper or lower boundaries in the that appears, to rescale the slider and click
.