This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': "A lady presented in the emergency department with a stab injury to the left side of the abdomen. She -was hemodynamically stable and a contrast enhanced. CT scan revealed a laceration in spleen. Laparoscopy was planned. The patient's pO2 suddenly dropped as soon as the pneumoperitoneum was created. What is the most likely cause: \nSelect and explain. \nA. Inferior venacava compression, B. Injury to the left lobe of the diaphragm, C. Injury to the colon, D. Gaseous embolism through splenic vessels", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]