She progressed to a vaginal delivery.
 The patient had a cesarean section. 
(ROOT (S (NP (PRP She)) (VP (VBD progressed) (PP (TO to) (NP (DT a) (JJ vaginal) (NN delivery)))) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBD had) (NP (DT a) (JJ cesarean) (NN section))) (. .)))
( She ( ( progressed ( to ( a ( vaginal delivery ) ) ) ) . ) )
( ( The patient ) ( ( had ( a ( cesarean section ) ) ) . ) )