( ( Diseases ( ( ( of ( the ( thyroid gland ) ) ) and ) ( of ( ( the ( parathyroid glands ) ) ( -LRB- ( 63 -RRB- ) ) ) ) ) ) . )
(ROOT (NP (NP (NNS Diseases)) (PP (PP (IN of) (NP (DT the) (NN thyroid) (NN gland))) (CC and) (PP (IN of) (NP (NP (DT the) (JJ parathyroid) (NNS glands)) (PRN (-LRB- -LRB-) (NP (CD 63)) (-RRB- -RRB-))))) (. .)))
Diseases of the thyroid gland and of the parathyroid glands (63).
(ROOT (S (NP (DT The) (CD two) (JJ parathyroid) (NNS glands)) (VP (VBP are) (VP (VBN located) (PP (IN behind) (NP (DT the) (NN thyroid) (NN gland))))) (. .)))