colonostomia is incorrectly written, and should be written as "colostomy" being its meaning:
Medical term of Greek origin, from kolon kolou: large intestine, colon, and stoma stomatos: mouth, mouth of a river. It is a surgical operation to give a way out to the colon through the abdomen, whose end is placed a bag to collect everything. This is done for some time, a few weeks after the Elimination of rectal cancer, fistulas or other problems that affect the rectum.