Igor Sorokin

[Quiz]: Abnormality seen in post-PCNL imagingA 42-year-old female undergoes right percutaneous nephrolithotomy (PCNL) for a complete staghorn calculus. As a routine after PCNL, a chest-x-ray was obtained using fluoroscopy. What abnormality is seen?
[Quiz] Abdominal pain after laparoscopic nephrectomyA 46-year-old male underwent a left laparoscopic radical nephrectomy for a cT1b renal cell carcinoma. Intra-operatively, a rent in the descending mesocolon was made during bowel mobilization but was not closed. Subsequently, the patient presented to the emergency room 4 days later with complaints of sudden onset sharp abdominal pain and nausea. A non-contrast computed tomography scan was obtained. What is the diagnosis?