In which region and quadrant can the following organs be found?
Stomach - Epigastric region | Left upper quadrant
Ascending colon - Right lumbar region | Right upper quadrant
Descending colon - Left lumbar region | Left upper quadrant
Urinary bladder - Hypogastric region | Middle of the left and right lower quadrants
Liver - Right hypochondriac region | Right upper quadrant
Appendix - Right iliac region | Right lower quadrant