tokens: A > 15 . 9 % decrease in GLS [ sensitivity , 86 % ; specificity , 75 % ; area under the curve ( AUC ) = 0 . 815 ; P = 0 . 001 ] and a > 0 . 004 ng / mL elevation in cTnT ( sensitivity , 79 % ; specificity , 64 % ; AUC = 0 . 757 ; P = 0 . 005 ) from baseline to the third cycle of chemotherapy predicted later cardiotoxicity .