2) Status post appendectomy.
 the patient has no surgical history
(ROOT (NP (NP (LST (LS 2) (-RRB- -RRB-)) (NP (NNP Status) (NN post) (NN appendectomy))) (. .)))
(ROOT (S (NP (DT the) (NN patient)) (VP (VBZ has) (NP (DT no) (JJ surgical) (NN history)))))
( ( ( 2 -RRB- ) ( Status ( post appendectomy ) ) ) . )
( ( the patient ) ( has ( no ( surgical history ) ) ) )