Inclusion Criteria:  Any of the following criteria:  Patients with known chronic liver diseases referred to liver-specific exams by their referring physician as part of the routine practice, including a VCTE exam, with or without a blood test, a MRI/MRE exam, a liver biopsy, Patients screened for fibrotic NASH in the context of NASH pharmaceutical trials, for which a data sharing agreement has been signed between E-Scopics and the pharmaceutical trial promoter, Patients who consent in written to participate in the Clinical Investigation after being orally informed on the objectives and methods of the Clinical Investigation, European patients covered by a social security program  Exclusion Criteria:  Patients under 18 years of age or over 80 years of age, Patients with active implants such as pacemakers, defibrillators, pumps, etc. Patients presenting wounds at the location where the ES1 probe shall be placed on patients' skin, Adult patients under social tutorship, or unable to provide informed consent when not subject to tutorship measures, Pregnant and breastfeeding women, People deprived of their freedom rights People who have been hospitalized without giving informed consent or under emergency situation, People admitted in a social or sanitary institution for other reasons than the Clinical Investigation, Patients included in another research study that could interfere with the present Clinical Investigation.