Also INR of 2.6 on coumadin.
 Patient has elevated PT
(ROOT (FRAG (ADVP (RB Also)) (NP (NP (NN INR)) (PP (IN of) (NP (CD 2.6))) (PP (IN on) (NP (NN coumadin)))) (. .)))
(ROOT (S (NP (NN Patient)) (VP (VBZ has) (NP (JJ elevated) (NN PT)))))
( Also ( ( ( INR ( of 2.6 ) ) ( on coumadin ) ) . ) )
( Patient ( has ( elevated PT ) ) )