Table 4. Endoscopic ultrasound-guided fine needle aspiration cytology combined with other analyses.

	Cytology	Cytology & KRAS mutation	Cytology, KRAS mutation & Plectin-1 staining	p value
Sensitivity	81%	93%	96%	0.003
Specificity	80%	87%	93%	0.002
Accuracy	79%	92%	95%	0.002