<prompt>  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 patients pO2 suddenly dropped as soon as the pneumoperitoneum was created. What is the most likely cause:Inferior venacava compressionInjury to the left lobe of the diaphragmInjury to the colonGaseous embolism through splenic vessels 