( ( ( ( ( Surgery ( is ( ( the ( ( most common ) treatment ) ) ( for ( breast cancer ) ) ) ) ) , ) and ) ( there ( are ( ( several types ) ( of surgery ) ) ) ) ) . )
(ROOT (S (S (NP (NNP Surgery)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (JJ common)) (NN treatment)) (PP (IN for) (NP (NN breast) (NN cancer)))))) (, ,) (CC and) (S (NP (EX there)) (VP (VBP are) (NP (NP (JJ several) (NNS types)) (PP (IN of) (NP (NN surgery)))))) (. .)))
Surgery is the most common treatment for breast cancer, and there are several types of surgery.
(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))))))) (. .)))