( ( Lesions ( of ( stomach ( and ( small intestine ) ) ) ) ) . )
(ROOT (NP (NP (NNS Lesions)) (PP (IN of) (NP (NN stomach) (CC and) (JJ small) (NN intestine))) (. .)))
Lesions of stomach and small intestine.
(ROOT (S (NP (DT The) (JJ small) (NN intestine)) (VP (VBZ begins) (PP (IN in) (NP (DT the) (NN stomach)))) (. .)))