(S (S (S (BASENP (PRP She)) (VP (VBZ is) (VP (VBN expected) (S (VP (TO to) (VP (VB undergo) (BASENP (JJ medical) (NNS tests)))))))) (SBAR (IN so) (S (BASENP (NNS doctors)) (VP (MD can) (VP (VB see) (SBAR (WHADVP (WRB how) (RB far)) (S (BASENP (DT the) (NN cancer)) (VP (VBZ has) (VP (VBN spread)))))))))) (PERIOD .))