Inclusion Criteria:  Fatty liver patients diagnosed with fatty liver at S1, S2 and S3 stages, will be included. Control subjects will also be included (who do not have any known liver diseases). Healthy subjects will be chosen to be age and gender matched with case subjects.  Exclusion Criteria:  Subjects with previous liver diseases (in the control group) or any liver diseases other than fatty liver (in fatty liver patients). Subjects who had any kind of liver surgery or liver transplantation. Subjects with damaged skin on the abdomen. Subjects with implanted electronic devices. Subjects with spinal diseases/discomfort Subjects who had any recent abdominal surgery Pregnant women Ascites Heavy alcohol intake Metallic implants