Pyelitis
Inflammation of the KIDNEY PELVIS and KIDNEY CALICES where urine is collected before discharge, but does not involve the renal parenchyma (the NEPHRONS) where urine is processed.
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Tree Number(s): C12.050.351.968.419.570.821, C12.200.777.419.570.821, C12.950.419.570.821
MeSH Unique ID: D011702