( Ultrasound ( ( ( ( ( uses ( high-frequency ( sound waves ) ) ) ( to ( get ( ( an image ) ( of ( the breast ) ) ) ) ) ) and ) ( can ( help ( determine ( if ( ( a lump ) ( is ( ( ( a cyst ) or ) ( a ( solid mass ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Ultrasound)) (VP (VP (VBZ uses) (NP (JJ high-frequency) (NN sound) (NNS waves)) (S (VP (TO to) (VP (VB get) (NP (NP (DT an) (NN image)) (PP (IN of) (NP (DT the) (NN breast)))))))) (CC and) (VP (MD can) (VP (VB help) (VP (VB determine) (SBAR (IN if) (S (NP (DT a) (NN lump)) (VP (VBZ is) (NP (NP (DT a) (NN cyst)) (CC or) (NP (DT a) (JJ solid) (NN mass)))))))))) (. .)))
Ultrasound uses high-frequency sound waves to get an image of the breast and can help determine if a lump is a cyst or a solid mass.
(ROOT (S (NP (PRP You)) (VP (VBP call) (NP (NP (NN sound)) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (S (NP (DT a) (NN wave) (NN frequency)) (ADJP (JJR higher) (SBAR (IN than) (S (NP (DT the) (JJ human) (NN ear)) (VP (MD can) (VP (VB detect) (NP (NN ultrasound))))))))))))) (. .)))