Gas trapped in the bend of the colon lying near the spleen (splenic flexure) can cause pain in the left upper abdomen or in the left lower chest. Other symptoms and signs of the so called splenic flexure syndrome include: 1  Distension of the upper abdomen, which can be tender to touch or not.
One two three four sides as long as as four sides it's a quadrilateral Let's think about each of these so this shape right over here what you might see is the corners the corners all come in, sometimes is called square sometimes you could call it a right angle so and notice I could put little small squares here.
The trapezoid has one pair of parallel sides. The parallelogram, rectangle, and square all have two pairs of parallel sides. Other less common shapes with parallel sides include any of the '-gons' with an even number of sides, such as a hexagon, octagon, decagon, etc. A hexagon and octagon with parallel sides.