This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Interstitial Lung Disease, Subject name: Medicine
[{'content': 'Which is not a feature of SVC syndrome? \nSelect and explain. \nA. Esophageal varices, B. Facial plethora, C. Laryngeal edema, D. Caput medusae', 'role': 'user'}, {'content': 'Answer: D \nExplanation: SVC syndrome is related to lung cancer * It could be seen with Retrosternal Goiter * Features- Esophageal varices * Facial plethora * Laryngeal edema (due to congestion) *Caput Medusa - Seen in Poal HTV', 'role': 'assistant'}]