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