She received a CT scan of the head that revealed a 2.7 x 3.7 cm left parietal hemorrhage with some mild surrounding edema.
 The patient had brain trauma. 
(ROOT (S (NP (PRP She)) (VP (VBD received) (S (NP (DT a) (NN CT)) (VP (VB scan) (PP (IN of) (NP (NP (DT the) (NN head)) (SBAR (WHNP (WDT that)) (S (VP (VBD revealed) (SBAR (S (NP (DT a) (QP (CD 2.7) (CC x) (CD 3.7)) (NN cm)) (VP (VBD left) (NP (JJ parietal) (NN hemorrhage)) (PP (IN with) (NP (DT some) (JJ mild) (VBG surrounding) (NN edema)))))))))))))) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBD had) (NP (NN brain) (NN trauma))) (. .)))
( She ( ( received ( ( a CT ) ( scan ( of ( ( the head ) ( that ( revealed ( ( a ( ( ( 2.7 x ) 3.7 ) cm ) ) ( ( left ( parietal hemorrhage ) ) ( with ( some ( mild ( surrounding edema ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
( ( The patient ) ( ( had ( brain trauma ) ) . ) )