In which region and quadrant can the following organs be found?
a. Stomach
-region: epigastric region and (a portion of) left hypochondriac region
-quadrant: left upper quadrant
b. Ascending colon
-region: right lumbar region and right iliac region
-quadrant: right lower quadrant and (a portion of) right upper quadrant
c. Descending colon
-region: left lumbar region and left iliac region
-quadrant: left lower quadrant
d. Urinary bladder
-region: hypogastric region
-quadrant: between right lower quadrant and left lower quadrant
e. Liver
-region: right hypochondriac region and epigastric region
-quadrant: right upper quadrant
f. Appendix
-region: right iliac region
-quadrant: right lower quadrant