( Inform ( all ( ( concerned ( if ( you ( have ( ( an implant ) ( containing ( ( ( any ( metal parts ) ) ( such ( as ( pacemakers ( , ( hip ( or ( knee implants ) ) ) ) ) ) ) ) etc. ) ) ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Inform)) (NP (DT all)) (VP (VBD concerned) (SBAR (IN if) (S (NP (PRP you)) (VP (VBP have) (NP (NP (DT an) (NN implant)) (VP (VBG containing) (NP (NP (NP (DT any) (NN metal) (NNS parts)) (PP (JJ such) (IN as) (NP (NNS pacemakers) (, ,) (NN hip) (CC or) (NN knee) (NNS implants)))) (X (NN etc.))))))))) (. .)))
Inform all concerned if you have an implant containing any metal parts such as pacemakers, hip or knee implants etc.
(ROOT (S (NP (NNP Metal)) (VP (VBZ is) (ADVP (RB regularly)) (VP (VBN used) (PP (IN in) (NP (JJ human) (NN hip) (CC and) (NN knee) (NNS implants))))) (. .)))