Lactate 3.4 .
 the patient has a normal lactate
(ROOT (NP (NP (NN Lactate) (CD 3.4)) (. .)))
(ROOT (S (NP (DT the) (NN patient)) (VP (VBZ has) (NP (DT a) (JJ normal) (NN lactate)))))
( ( Lactate 3.4 ) . )
( ( the patient ) ( has ( a ( normal lactate ) ) ) )