This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urethra & Penis, Subject name: Surgery
Following are the signs of urinary tract obstruction in a CT Scan: 
Select and explain. 
A. Dilated ureter, B. Perinephric fat stranding, C. Thickening of Lateroconal fascia, D. All the above
D: All the above
Answer: D: All the above 
Explanation: Ans. (d) All the aboveRef Internet SourcesFeatures of CT Scan abdomen in Obstruction of Urinary system:* Ureter dilatation* Hydroureter* Hydronephrosis* Perinephric stranding* Periureteral Edema* Unilateral Renal Angiogram