Levels of adherence to BCRL self-care modalities did not predict a @ % or greater decrease in interlimb volume ( Ptrend = @ ) , @ % or greater decrease in the sum of interlimb arm circumferences ( Ptrend = @ ) , @ % or greater decrease in bioimpedence spectroscopy ( Ptrend = @ ) , @ or greater decrease in self-reported lymphedema symptoms ( Ptrend = @ ) , or therapist-defined lymphedema exacerbation requiring treatment ( Ptrend = @ ) .