( EUS ( ( uses ( ( a ( high ( frequency ( ultrasound transducer ) ) ) ) ( housed ( on ( ( the tip ) ( of ( a ( flexible endoscope ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP EUS)) (VP (VBZ uses) (NP (NP (DT a) (JJ high) (NN frequency) (NN ultrasound) (NN transducer)) (VP (VBN housed) (PP (IN on) (NP (NP (DT the) (NN tip)) (PP (IN of) (NP (DT a) (JJ flexible) (NN endoscope)))))))) (. .)))
EUS uses a high frequency ultrasound transducer housed on the tip of a flexible endoscope.
(ROOT (S (NP (NP (NNP Ultrasound)) (, ,) (NP (DT a) (JJ diagnostic) (NN technology)) (, ,)) (VP (VBZ uses) (NP (NP (JJ high-frequency) (NNS vibrations)) (VP (VBN transmitted) (PP (IN into) (NP (NP (DT any) (NN tissue)) (PP (IN in) (NP (NN contact))))) (PP (IN with) (NP (DT the) (NN transducer)))))) (. .)))