A 57-year-old man has hematuria and left-sided flank pain. Diagnostic studies show a left-sided renal mass with extension into the renal vein. A radical nephrectomy is performed, and the specimen is sent for pathologic evaluation. Which of the following structures present in this patient's specimen is lined with epithelium derived from mesoderm of the ureteric bud?

1. A)Proximal convoluted tubule
2. B)Distal convoluted tubule
3. C)Bowman capsule
4. D)UreterGABARITO
5. E)Loop of Henle