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Kaplan-Meier curve for TVR, TLR and UA according to the treatment of CISR (n = 110). TVR: target lesion revascularization; TLR: target vessel revascularization; UA: unstable angina; CISR: clinical in-stent restenosis; Performed Tx: performed treatment; CAGB: coronary bypass surgery; Balloon PCI: balloon percutaneous coronary intervention.
