Calification in proximal left ureter represents left ureterolithiasis with secondary left obstructive dydronephrosis. This ureteral calcification and dilatation of the left renal pelvis and calyceal system were identified in previous CT Scan of abdomen and pelvis done in December 20, 2012 without significant change. There is also dilataion of the left ureter down to the uretrovesical junction without significant change when compared to previous study. Very small calcification in left side of the pelvis lateral to the distal left ureter most likely represent phlebolith . This problem started in October 2012. the issue started in October. The pain and symptoms have only become worse.