Disease condition	Rationale	Type of ostomy	Time
Rectal cancer (LAR)	Defunction (anastomosis protection)	Loop Ileostomy or colostomy	Usually Temporary
Very low cancers	A part of APR	End colostomy	Permanent
Obstruction	Decompression	End or loop colostomy	Usually Temporary
Perforation	Defunction	End or loop colostomy