The "count by flag" and slider for "cut-off for Marker 1" is a pretty interesting function. Suggest you consider putting them here. Add a line of text to explain:
Marker1 is an underlying continuous measurement (e.g. percentage of cells in a tumor expressing PD-L1). A cut-off value is imposed on Marker1 to define a binary marker MarkFL1B for the targeted treatment. Try to change the cut-off of the companion diagnostic here: