“…17,20,21 It is superior to other imaging modalities, especially when tumors are smaller than 2 cm. 7,22 Based on imaging alone, whereas EUS is highly sensitive in detecting malignancy, it is not specific. 4,7 In a study of 115 patients with histologic confirmation, EUS had a high sensitivity (95%) but a very low specificity (53%) for differentiating malignancy from focal masses caused by chronic pancreatitis.…”