( Such ( ( is ( ( the case ) ( with ( ( atherosclerosis , ) ( which ( ( ( ( is ( a ( degenerative condition ) ) ) ( that ( ( results ( in ( ( the blocking ) ( of ( ( an artery ) ( due ( to a ) ) ) ) ) ) ) ( ( build up ) ( of plaque ) ) ) ) ) , ) ( eventually ( leading ( to ( ( ( a ( probable ( heart attack ) ) ) or ) stroke ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Such)) (VP (VBZ is) (NP (NP (DT the) (NN case)) (PP (IN with) (NP (NP (NNS atherosclerosis)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (NP (DT a) (JJ degenerative) (NN condition)) (SBAR (IN that) (S (NP (NP (NNS results)) (PP (IN in) (NP (NP (DT the) (NN blocking)) (PP (IN of) (NP (NP (DT an) (NN artery)) (ADJP (JJ due) (PP (TO to) (NP (NNP a))))))))) (VP (VB build) (PRT (RP up)) (PP (IN of) (NP (NN plaque)))))) (, ,) (S (ADVP (RB eventually)) (VP (VBG leading) (PP (TO to) (NP (NP (DT a) (JJ probable) (NN heart) (NN attack)) (CC or) (NP (NN stroke))))))))))))) (. .)))
Such is the case with atherosclerosis, which is a degenerative condition that results in the blocking of an artery due to a build up of plaque, eventually leading to a probable heart attack or stroke.
(ROOT (S (NP (DT A) (NN heart) (NN attack) (CC or) (NN stroke)) (VP (VBZ is) (ADVP (RB often)) (NP (NP (DT a) (NN result)) (PP (IN of) (NP (JJ untreated) (NNS atherosclerosis))))) (. .)))