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: ENT
[{'content': 'indications of FESS: \nSelect and explain. \nA. Inveed papilloma, B. Orbital abscess, C. Nasal polyposis, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is all [indications of Function) endoscopic Endoscopic Surgery (FESS) Nasal conditions: Indian = Inflammation of sinus (sinusitis - chronic and fungal) Prime = Polyp removal Minister = Mucocelea of frontal and ethmoid sinus Can = Choanal atresia repair Speak = Septoplasty Fluent = Foreign body removal English = Epistaxis Other conditions: Nose is separated from orbit by lamina papyracea, anterior cranal fossa by cribriform plate and pituitary by sphenoid. Hence FESS can be used in: Orbital conditions - Orbital decompression - Optic nerve decompression - Blow out of orbit - Drainage of periorbital abscess - Dacryocystorhinostomy CSF leak Pituitary surgery like trans sphenoid hypophysectomy', 'role': 'assistant'}]