( ( ( New ( surgical techniques ) ) ( for ( removing ( kidney tumors ) ) ) ) ( , ( ( including ( ( the use ) ( of ( ultrasound ( during surgery ) ) ) ) ) ( , ( ( are ( being studied ) ) . ) ) ) ) )
(ROOT (S (NP (NP (NNP New) (JJ surgical) (NNS techniques)) (PP (IN for) (S (VP (VBG removing) (NP (NN kidney) (NNS tumors)))))) (, ,) (PP (VBG including) (NP (NP (DT the) (NN use)) (PP (IN of) (NP (NP (NN ultrasound)) (PP (IN during) (NP (NN surgery))))))) (, ,) (VP (VBP are) (VP (VBG being) (VP (VBN studied)))) (. .)))
New surgical techniques for removing kidney tumors, including the use of ultrasound during surgery, are being studied.
(ROOT (S (NP (DT The) (NN option) (S (VP (TO to) (VP (VB remove) (S (NP (NN kidney) (NNS stones)) (ADJP (JJ other) (PP (IN than) (NP (NN surgery))))))))) (VP (VBZ is) (NP (NN ultrasound) (NNS treatments))) (. .)))