Her CXR was clear and it did not appear she had an infection.
 Chest x-ray showed infiltrates
(ROOT (S (S (NP (PRP$ Her) (NN CXR)) (VP (VBD was) (ADJP (JJ clear)))) (CC and) (S (NP (PRP it)) (VP (VBD did) (RB not) (VP (VB appear) (SBAR (S (NP (PRP she)) (VP (VBD had) (NP (DT an) (NN infection)))))))) (. .)))
(ROOT (S (NP (NN Chest) (NN x-ray)) (VP (VBD showed) (NP (NNS infiltrates)))))
( ( ( ( ( Her CXR ) ( was clear ) ) and ) ( it ( ( did not ) ( appear ( she ( had ( an infection ) ) ) ) ) ) ) . )
( ( Chest x-ray ) ( showed infiltrates ) )