NASH is the disease process from NAFLD so it is something to pay attention to. Like most disease, it develops over time and that progression is measured by liver stiffness by the fibroscan. If they say a small amount there is no reason to not believe them unless you have other information. At early stages it is generally manageable but diet and eliminating alcohol are key. It is a call to get control of the problem but it is slow moving and manageable in early stages. They shouldn't have said nothing to worry about, but it is fair warning to be proactive.
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