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: Radiology
Most sensitive investigation of pancreatic carcinoma is – 
Select and explain. 
A. Angiography, B. ERCP, C. Ultrasound, D. CT scan
C: Ultrasound
Answer: C: Ultrasound 
Explanation: Investigation of choice for pancreatic carcinoma → CT scan (CECT)
Most sensitive test for pancreatic carcinoma      → Endoscopic ultrasound.