▁through ▁blood ▁vessel ▁into ▁blood , ▁it ▁comb ines ▁with ▁ ▁imm une ▁cells , ▁that ▁will ▁stim ulate ▁inn ate ▁imm une ▁responses . ▁Pro - infl am mat ory ▁cy tok ines ▁will ▁be ▁released ▁and ▁cause ▁disease ▁pro gression . ▁ ▁Di agn osis ▁A ▁number ▁ ▁of ▁li ver ▁function ▁tests ▁( L FT s ) ▁are ▁available ▁to ▁test ▁the ▁proper ▁function ▁of ▁the ▁li ver . ▁These ▁test ▁for ▁the ▁presence ▁of ▁en zym es ▁in ▁blood ▁that ▁are ▁normally ▁most ▁abund ant ▁in ▁li ver ▁t issue , ▁met abol ites ▁or ▁products . ▁ser um ▁prote ins , ▁ser um ▁album in , ▁ser um ▁glob ul in , ▁al an ine ▁trans amin ase , ▁as part ate ▁trans amin ase , ▁pro th rom bin ▁time , ▁partial ▁th rom b op last in ▁time . ▁ ▁Im aging ▁tests ▁such ▁as ▁trans ient ▁el ast ography , ▁ul tras ound ▁and ▁magnetic ▁reson ance ▁imag ing ▁can ▁be ▁used ▁to ▁examine ▁the ▁li ver ▁t issue ▁and ▁the ▁b ile ▁du ct s . ▁Liver ▁bi ops y ▁can ▁be ▁performed ▁to ▁examine ▁li ver ▁t issue ▁to ▁distinguish ▁between ▁various ▁conditions ; ▁tests ▁such ▁as ▁el ast ography ▁may ▁reduce ▁the ▁need ▁for ▁bi ops y ▁in ▁some ▁situations . ▁ ▁In ▁li ver ▁disease , ▁pro th rom bin ▁time ▁is ▁longer ▁than ▁usual . ▁In ▁addition , ▁the ▁amounts ▁of ▁both ▁co ag ulation ▁factors ▁and ▁ant ico ag