For clarity reasons, a WSPS will be denoted in what follows by WSPS (U, t) = true. If the WFMS identifies a WSPS for U (R-type(T)) with regard to CT and Ctl (w), it starts a delegation process that returns true if it was able to bypass this WSPS and false elsewhere.
The kidneys are found in the upper back (the âsmall of the backâ, it is often called). Kidney disease can cause pain in this part of the upper back. Pain in this area is common, and often comes from the muscles of the back, or from the spine. Pain from the kidneys is often constant, or can be sharp, like being stabbed.
Symptom 10:Flank Pain. The most common causes of chronic kidney disease (CKD) do not cause any pain. And, many times pain near the kidneys is not caused by a kidney problem. But some people who have CKD do have pain in the upper back (where the kidneys are located ).