This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': 'A patient presents with bloody ear discharge. Which of the following can be a possibility? \nSelect and explain. \nA. Aural polyp, B. CSOM, C. Glomus tumour, D. All of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., All of the above Differential diagnosis of blood stained ear discharge :* ASOM* Acute mastoiditis* CSOM* Aural polyp* Granulations* Glomus tumor", 'role': 'assistant'}]