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': 'Homogenous opacification of right hemithorax with right sided shift of mediastinum may be caused by \nSelect and explain. \nA. Collapse of Right lung, B. Consolidation of Right lung, C. Right sided hemothorax, D. Left sided hydrothorax', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer is A (Collapse of Right lung): Collapse of Right lung may present with homogeneous opacification of right hemithorax and ipsilateral mediastinal Shift. Condition Findings Consolidation : Ipsilateral Hamogenous opacification & No mediastinal shift Collapse : Ipsilateral Homogenous opacification & Ipsilateral mediastinal shift Hemothorax : Ipsilateral homogenous opacification & Contralateral shift Hydrothorax : Ipsilateral homogenous opacification & Contralateral shift', 'role': 'assistant'}]