As vinyl is a synthetic material, it is not breathable like leather and therefore is not usually used regularly to make jackets and other pieces of clothing. It is also not as durable as leather and often splits or cracks much more easily.
The left upper quadrant (LUQ) contains similar organs to the RUQ. In the LUQ you'll find the left portion of the liver, the majority of the stomach, pancreas, left kidney, spleen, portions of the colon, and (again) parts of the small intestine.
Right lower quadrant: This quadrant contains more colon and the last part of the small intestine, where the appendix resides. In women, one of the ovaries is in this section. Lower left quadrant: The other ovary lives in the left lower quadrant, along with the last part of the colon.