I touched my palm to his mutilated cheek, and tried to stem my instinctive revulsion.
( I ( ( ( ( ( ( touched ( my palm ) ) ( to ( his ( mutilated cheek ) ) ) ) , ) and ) ( tried ( to ( stem ( my ( instinctive revulsion ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VP (VBD touched) (NP (PRP$ my) (NN palm)) (PP (TO to) (NP (PRP$ his) (JJ mutilated) (NN cheek)))) (, ,) (CC and) (VP (VBD tried) (S (VP (TO to) (VP (VB stem) (NP (PRP$ my) (JJ instinctive) (NN revulsion))))))) (. .)))
Unfortunately his face had been mutilated in as least one way. 
( Unfortunately ( ( his face ) ( ( had ( been ( mutilated ( in ( ( ( as least ) one ) way ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Unfortunately)) (NP (PRP$ his) (NN face)) (VP (VBD had) (VP (VBN been) (VP (VBN mutilated) (PP (IN in) (NP (QP (IN as) (JJS least) (CD one)) (NN way)))))) (. .)))