WBC 12, Hct 41.
 Infection is present
(ROOT (NP (NP (NP (NNP WBC) (CD 12)) (, ,) (NP (NN Hct) (CD 41))) (. .)))
(ROOT (S (NP (NN Infection)) (VP (VBZ is) (ADJP (JJ present)))))
( ( ( ( WBC 12 ) , ) ( Hct 41 ) ) . )
( Infection ( is present ) )