( ( Most ( breast cancers ) ) ( ( are ( of ( this type ) ) ) . ) )
(ROOT (S (NP (JJS Most) (NN breast) (NNS cancers)) (VP (VBP are) (PP (IN of) (NP (DT this) (NN type)))) (. .)))
Most breast cancers are of this type.
(ROOT (S (NP (JJ Breast) (NN cancer)) (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 females))))))) (. .)))