( ( ( ( ( ( The mechanism ) ( of ( ( the ( molecular pathogenesis ) ) ( of ( prostate cancer ) ) ) ) ) , ) ( ( the ( ( most common ) cancer ) ) ( in ( US males ) ) ) ) , ) ( ( ( is still ) elusive ) . ) )
(ROOT (S (NP (NP (NP (DT The) (NN mechanism)) (PP (IN of) (NP (NP (DT the) (JJ molecular) (NNS pathogenesis)) (PP (IN of) (NP (NN prostate) (NN cancer)))))) (, ,) (NP (NP (DT the) (ADJP (RBS most) (JJ common)) (NN cancer)) (PP (IN in) (NP (NNP US) (NNS males)))) (, ,)) (VP (VBZ is) (ADVP (RB still)) (ADJP (JJ elusive))) (. .)))
The mechanism of the molecular pathogenesis of prostate cancer, the most common cancer in US males, is still elusive.
(ROOT (S (NP (NNP Prostate)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (JJ common)) (NN type)) (PP (IN of) (NP (NP (NN cancer)) (PP (IN in) (NP (JJ adult) (NNS males))))))) (. .)))