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
Which is not a feature of SVC syndrome? 
Select and explain. 
A. Esophageal varices, B. Facial plethora, C. Laryngeal edema, D. Caput medusae
D: Caput medusae
Answer: D: Caput medusae 
Explanation: 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