Migraines with visual aura.
 the patient has migraines
(ROOT (NP (NP (NP (NNS Migraines)) (PP (IN with) (NP (JJ visual) (NN aura)))) (. .)))
(ROOT (S (NP (DT the) (NN patient)) (VP (VBZ has) (NP (NNS migraines)))))
( ( Migraines ( with ( visual aura ) ) ) . )
( ( the patient ) ( has migraines ) )