Q) What is true about the role of EUS in Carcinoma head of pancreas.
a) It has a sensitivity of 50-60% in detecting lesions less than 3 cm in size
b) It has a high negative predictive value
c) Chronic pancreatitis can be easily differentiated from Carcinoma head of pancreas by EUS
d) Small caliber needles have low accuracy than high caliber needles in FNAC