Table 1. CircRNAs in breast cancer diagnosis.

Name	Dysregulation	Source
CircSMARCA5 [18], circ_0104824 [19]	Downregulated	Blood
Circ_0000745, circ_0001531, circ_0001640 [30]	Upregulated	Blood
Circ_0000977 [20]	Downregulated	Plasma
Circ_0008673 [21], circ_0069094, circ_0079876, circ_0017650, circ_0017526 [23], circBCBM1 [24], circHIF1A [28], circPSMA1 [29], circ_0001785 [31]	Upregulated	Plasma
CircRASSF2 [22], circPRMT5 [25], circ_0076611 [26], circ0088088, circ0000751 [27]	Upregulated	Serum
Circ0005795 [27]	Downregulated	Serum