( Dysphagia ( ( is ( caused ( by ( ( a ( wide variety ) ) ( of ( ( ( disorders ( of ( ( ( ( ( ( ( the mouth ) , ) pharynx ) , ) oesophagus ) or ) ( upper ( gastric lesions ) ) ) ) ) ( as ( well as ) ) ) ( diseases ( of ( ( ( ( ( the ( respiratory tract ) ) , ) ( mediastinal structures ) ) and ) ( ( systemic disorders ) 1 ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Dysphagia)) (VP (VBZ is) (VP (VBN caused) (PP (IN by) (NP (NP (DT a) (JJ wide) (NN variety)) (PP (IN of) (NP (NP (NP (NNS disorders)) (PP (IN of) (NP (NP (DT the) (NN mouth)) (, ,) (NP (NN pharynx)) (, ,) (NP (NNS oesophagus)) (CC or) (NP (JJ upper) (JJ gastric) (NNS lesions))))) (CONJP (RB as) (RB well) (IN as)) (NP (NP (NNS diseases)) (PP (IN of) (NP (NP (DT the) (JJ respiratory) (NN tract)) (, ,) (NP (JJ mediastinal) (NNS structures)) (CC and) (NP (NP (JJ systemic) (NNS disorders)) (NP (CD 1)))))))))))) (. .)))
Dysphagia is caused by a wide variety of disorders of the mouth, pharynx, oesophagus or upper gastric lesions as well as diseases of the respiratory tract, mediastinal structures and systemic disorders 1 .
(ROOT (S (NP (DT The) (NN pharynx)) (VP (VBZ is) (NP (NP (DT the) (NN name)) (PP (IN of) (NP (NP (DT the) (NN tube)) (SBAR (WHNP (WDT that)) (S (VP (VBZ joins) (NP (DT the) (NN mouth)) (PP (TO to) (NP (DT the) (ADJP (JJ digestive) (CC and) (JJ respiratory)) (NNS tracts)))))))))) (. .)))