Fig. 1From: Current advances in noninvasive methods for the diagnosis of oral squamous cell carcinoma: a reviewSchematic representation of CTCs, cfDNA, ctDNA, and exosomes for achieving personalized medicine in the diagnosis, prognosis, and treatment monitoring of oral cancer. Individual nuanced and unique characteristics of CTCs, cfDNA, ctDNA, and exosomes can be detected in the carcinogenesis, angiogenesis, and dissemination processes of OSCCBack to article page