The review article entitled "Exosomes as potential diagnosis and treatment for liver cancer " recently published in World Journal of Gastrointestinal Oncology 2022; 14: 334-347 concluded that exosomes can be used as effective biomarkers or therapeutic biotargets in liver cancer. Exosomes are a hot spot in the field of tumor diagnosis and treatment research. We had also previously published a review on exosomes and tumors. In this letter to the editor, we summarize the clinical application prospects and current challenges of exosomes.
Keywords: Biomarkers; Cancer; Diagnosis; Exosomes; Therapy.
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