Add spaces between the words in the following text: Afluidsamplefromtherenalpelvis,usingaprocedurecalledpyelocentesis,canalsobeperformedthroughtheskin(percutaneously)usingultrasoundguidance,orduringexploratorysurgery.
A fluid sample from the renal pelvis, using a procedure called pyelocentesis, can also be performed through the skin (percutaneously) using ultrasound guidance, or during exploratory surgery.