(S (S (S (BASENP (DT The) (NNS illness)) (VP (VBZ has) (VP (VBN disfigured) (NP (BASENP (NNP Yushchenko) (POS 's)) (BASENP (NN body) (CC and) (NN face)))))) (SBAR (WHNP (WDT which)) (S (BASENP (NNS doctors)) (VP (VBP say) (SBAR (S (VP (MD could) (VP (VP (VB take) (NP (QP (ADVP (RB up) (TO to)) (NN two)) (NNS years))) (S (VP (TO to) (VP (VB heal)))))))))))) (PERIOD .))