Complex sentence: He described it as "nonobstructive saccular or fusiform multi-focal segmental dilatation of the intra-hepatic bile ducts;" basically, he observed cavernous ectasia in the biliary tree causing a chronic, often life-threatening hepatobiliary disease.
Split into simpler sentences: He described it as "nonobstructive saccular or fusiform multi-focal segmental dilatation of the intra-hepatic bile ducts". Basically, he observed cavernous ectasia in the biliary tree causing a chronic, often life-threatening hepatobiliary disease.