Also INR of 2.6 on coumadin.
 Patient has history of atrial fibrillation
(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 (NP (NN history)) (PP (IN of) (NP (JJ atrial) (NN fibrillation)))))))
( Also ( ( ( INR ( of 2.6 ) ) ( on coumadin ) ) . ) )
( Patient ( has ( history ( of ( atrial fibrillation ) ) ) ) )