This is an exploratory, national, single-center, open-label study, being conducted at the Institute of Education and Research of the Syrian-Lebanese Hospital in collaboration with the Radiology Institute, the Heart Institute of the Faculty of Medicine of São Paulo, Hospital São Paulo UNIFESP, and the Departments of Physics and Mathematics at the University of São Paulo in order to detect the presence of calcium flux change, tumor perfusion and electrical properties of tumor tissue when exposed to RF EMF AM by Cancer-frequency specific in patients with advanced HCC and correlate these findings with hemodynamic changes assessed by non-invasive hemodynamic measurements.