Hepatocellular carcinoma (HCC) is the second most lethal malignant tumor worldwide. with an increasing incidence and mortality. Due to general resistance to antitumor drugs. only limited therapies are currently available for advanced HCC patients. https://www.roneverhart.com/Behringer-UL-1000G2-Wireless-In-Ear-Monitoring-System-US-584-to-608-MHz-p31393/