My Sister Has A Blockage In Her Intestine That Caused

my sister has a blockage in her intestine that caused her no t have a bowel movement or hold anything on her stomach at first she said it was ovrian cancer then colon shes not telling the family she wen through chemo radiation the she said cancer was gone tomorrow shes having a procedure the way it was explain to us they are going to cut a small incension in the lower part of her back like a upperduran then one at the bottom of her stomach. which is hard like shes pregnant they are doing this to open the block scraping a small potion off wthout putting a bag on the outside or inside what could this be from? excuse my spelling.
have you heard of such surgery