Assertion: stent's removal | /r/CapableOf | become impossible
Facets:
Source sentences:
text: Patients with large stones : Because ureteroscopy requires active removal of all or most stone fragments, the treatment of very large stones (>2 cm) may yield so many fragments that complete removal becomes impractical or impossible.
text: Because ureteroscopy requires active removal of all or most stone fragments, the treatment of very large stones (>2 cm) may yield so many fragments that complete removal becomes impractical or impossible.