Clinical outcomes of percutaneous microwave ablation for pulmonary oligometastases from hepatocellular carcinoma: a retrospective, multicenter study.

"Declarations Ethics approval and consent to participateWritten informed consent was obtained from all patients recruited in this study. All methods were carried out in accordance with Declaration of Helsinki and Good Clinical Practice (GCP) guidelines. Institutional Review Board of The First Affiliated Hospital of Shandong First Medical University, Zhongshan Hospital affiliated to Fudan University, Qilu Hospital of Shandong University, Shandong Provincial Hospital Affiliated to Shandong First Medical University have approved the study protocol. Consent for publicationWritten form of consent for publication have been obtained from all of the patients whom involved in this study. Competing interestsThe authors declare that they have no conflict of interest. Competing interests The authors declare that they have no conflict of interest."

"Funding This study has received funding from National Natural Science Foundation of China (81502610 and 82072028) and Natural Science Foundation of Shandong Province, China (ZR201911040313)."