Bilateral carpal tunnel release surgery.
 No history of carpal tunnel syndrome
(ROOT (NP (NP (JJ Bilateral) (JJ carpal) (NN tunnel) (NN release) (NN surgery)) (. .)))
(ROOT (NP (NP (DT No) (NN history)) (PP (IN of) (NP (JJ carpal) (NN tunnel) (NN syndrome)))))
( ( Bilateral ( carpal ( tunnel ( release surgery ) ) ) ) . )
( ( No history ) ( of ( carpal ( tunnel syndrome ) ) ) )