His bilateral ankle edema is chronic and unchanged of late, with chronic venous stasis changes.
 Patient has normal venous return
(ROOT (S (NP (PRP$ His) (JJ bilateral) (NN ankle) (NN edema)) (VP (VBZ is) (ADJP (ADJP (JJ chronic)) (CC and) (ADJP (JJ unchanged))) (PP (IN of) (ADJP (JJ late) (, ,) (PP (IN with) (NP (JJ chronic) (JJ venous) (NN stasis) (NNS changes)))))) (. .)))
(ROOT (S (NP (NN Patient)) (VP (VBZ has) (NP (JJ normal) (JJ venous) (NN return)))))
( ( His ( bilateral ( ankle edema ) ) ) ( ( ( is ( ( chronic and ) unchanged ) ) ( of ( ( late , ) ( with ( chronic ( venous ( stasis changes ) ) ) ) ) ) ) . ) )
( Patient ( has ( normal ( venous return ) ) ) )