External view

SCALE BAR=1cm

View the microscopic images

Clinical summary: 66 year old male presenting with flank pain.

Figure legend:

Operative procedure: Left nephrectomy.
Tumor location: Superior calyx of the kidney.
Tumor size: 2.0 x 2.0 x 1.4 cm.
Tumor characteristics: Ovoid, soft, well-circumscribed, tan-red, focally hemorrhagic mass.