( ( Brain MRI ) ( ( ( revealed ( the microadenoma ) ) ( in ( left ( pituitary gland ) ) ) ) . ) )
(ROOT (S (NP (NNP Brain) (NNP MRI)) (VP (VBD revealed) (NP (DT the) (NN microadenoma)) (PP (IN in) (NP (JJ left) (JJ pituitary) (NN gland)))) (. .)))
Brain MRI revealed the microadenoma in left pituitary gland.
(ROOT (S (NP (DT The) (JJ pituitary) (NN gland)) (VP (VBZ is) (PP (IN in) (NP (DT the) (NN brain)))) (. .)))