Answer:
Ureterectasis
Explanation:
Ureterectasis, also known as renal calyx ectasia or dilated ureter, is characterized by dilation of the internal portion of the kidney. This region is known as the renal pelvis because it is shaped like a funnel and has the function of collecting urine and moving it towards the ureters and bladder.
This dilation usually occurs due to increased pressure in the urinary tract due to blockage in the urine passage, which may be caused by deformities in urinary tract structures, which is more common in children, or by situations such as calculi, cysts, tumors or severe kidney infection and may also appear in adults. This change does not always cause symptoms, but pain in the abdomen or changes to urination may occur, for example.
