Prognostic value of circulating tumor cells combined with neutrophil-lymphocyte ratio in patients with hepatocellular carcinoma.

"Conflict-of-interest statement: All authors have nothing to disclose."

"This study complied with the guidelines of the Helsinki Declaration. The research protocol was approved by the Clinical Trial Ethics Committee of the Affiliated Hospital of Southwest Medical University (approval number: KY2021063) and registered in the Chinese Clinical Trial Registry (registration number: ChiCTR2100044198). All patients signed a written informed consent form before enrollment. Institutional review board statement: This study complied with the guidelines of the Helsinki Declaration. The research protocol was approved by the Clinical Trial Ethics Committee of the Affiliated Hospital of Southwest Medical University (approval number: KY2021063) and registered in the Chinese Clinical Trial Registry (registration number: ChiCTR2100044198)."