( ( The ( lateral ( aortic ( lymph nodes ) ) ) ) ( ( are ( ( a set ) ( of ( ( ( lymph nodes ) ( -LRB- ( ( ( small ( round organs ) ) ( of ( the ( immune system ) ) ) ) -RRB- ) ) ) ( in ( the ( human body ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ lateral) (JJ aortic) (NN lymph) (NNS nodes)) (VP (VBP are) (NP (NP (DT a) (NN set)) (PP (IN of) (NP (NP (NP (NN lymph) (NNS nodes)) (PRN (-LRB- -LRB-) (NP (NP (JJ small) (NN round) (NNS organs)) (PP (IN of) (NP (DT the) (JJ immune) (NN system)))) (-RRB- -RRB-))) (PP (IN in) (NP (DT the) (JJ human) (NN body))))))) (. .)))
The lateral aortic lymph nodes are a set of lymph nodes (small round organs of the immune system) in the human body.
(ROOT (S (NP (DT Each) (NN lymph) (NN organ)) (VP (VBZ has) (NP (NP (DT a) (JJ different) (NN job)) (PP (IN in) (NP (DT the) (JJ immune) (NN system))))) (. .)))