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Table 2: Results of analysis of conventional MRI alone and combined interpretation of conventional and DCE-MRI for detecting local tumor recurrence
Recurrent Tumor Posttreatment Change
TP FN FNR (%) TN FP FPR (%)
Reader 1 
    Conventional MRI 21 7 25 8 27 77
    Conventional and DCE-MRI 25 3 11 32 3 9
Reader 2 
    Conventional MRI 19 9 32 15 20 57
    Conventional and DCE-MRI 23 5 18 32 3 9
Reader 3 
    Conventional MRI 23 5 18 10 25 71
    Conventional and DCE-MRI 24 4 14 32 3 9
Note:—FN indicates false-negative; FNR, false-negative rate; FP, false-positive; FPR, false-positive rate; TN, true-negative; TP, true-positive.

	Recurrent Tumor			Posttreatment Change
	TP	FN	FNR (%)	TN	FP	FPR (%)
Reader 1
Conventional MRI	21	7	25	8	27	77
Conventional and DCE-MRI	25	3	11	32	3	9
Reader 2
Conventional MRI	19	9	32	15	20	57
Conventional and DCE-MRI	23	5	18	32	3	9
Reader 3
Conventional MRI	23	5	18	10	25	71
Conventional and DCE-MRI	24	4	14	32	3	9