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: Medicine
[{'content': 'Which of the following is/ are the cause/s of unilateral elevation of hemidiaphragm? \nSelect and explain. \nA. Pulmonary hypoplasia, B. Subphrenic infection, C. Phrenic nerve palsy, D. All the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer- D. All the abovePosture - Lateral decubitus position (dependent side)Gaseous distension of stomach or colonDorsal scoliosisPulmonary hypoplasiaPulmonary collapsePhrenic nerve palsyEventrationPneumonia or pleurisyPulmonary thromboembolismRib fracture and other painful conditionsSubphrenic infectionSubphrenic mass', 'role': 'assistant'}]