( ( Breast cancer ) ( ( is ( the ( ( ( most commonly ) occurring ) ( female cancer ) ) ) ) . ) )
(ROOT (S (NP (JJ Breast) (NN cancer)) (VP (VBZ is) (NP (DT the) (ADJP (ADVP (RBS most) (RB commonly)) (VBG occurring)) (JJ female) (NN cancer))) (. .)))
Breast cancer is the most commonly occurring female cancer.
(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))))))) (. .)))