(S (S (BASENP (NNS Doctors)) (VP (VBP say) (SBAR (SBAR (IN that) (S (BASENP (PRP he)) (VP (VP (VBZ is) (ADVP (RB currently))) (PP (IN on) (BASENP (DT a) (NN ventilator)))))) (CC and) (SBAR (IN that) (S (BASENP (DT the) (NNS bullets)) (VP (VP (MD can) (RB not)) (VP (VB be) (VP (VBN removed) (PP (IN for) (NP (BASENP (NN fear)) (PP (IN of) (S (VP (VBG causing) (BASENP (ADJP (RB even) (JJR more)) (NN bleeding))))))))))))))) (PERIOD .))