Is Fixing Up Stent In Stomach For Suspected Cancer In A 74 Yr Old Female Safe?

my mother is 74 years old and she is sufferring for the last fortnight or more compliaining vomitting sensetion,loosemotion, she was under treatment in a local hospital and now she is laid up in Med Inida.they are suggesting to fix up stent in the stomach because they suspect cancerous ailment. pl advice; whether at this stage my mother wear prunt of fixing the stent and submit herself to the followup treatment. { biopsy result ;- not yet come}