Pain from the abdominal part of the foregut is referred to the epigastric region, pain from the midgut is referred to the umbilical region, and pain from the hindgut is referred to the pubic region.
Where to find the kidneys
The kidneys project onto the back on either side of the midline and are related to the lower ribs (Fig. 4.183):
The left kidney is a little higher than the right and reaches as high as rib XI.