Status post thyroidectomy.
 The patient has never had surgery. 
(ROOT (NP (NP (NNP Status) (NN post) (NN thyroidectomy)) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBZ has) (ADVP (RB never)) (VP (VBN had) (NP (NN surgery)))) (. .)))
( ( Status ( post thyroidectomy ) ) . )
( ( The patient ) ( ( ( has never ) ( had surgery ) ) . ) )