Cytological +ve Cytological -ve Total US +ve 68 2 70 US –ve 2 27 29 Total 70 29 99	Sensitivity = 97.1% Specificity = 93% Accuracy = 95.96% Positive predictive value = 97.1% Negative predictive value = 93%
Table 3: Correlation between ultrasonography (US) scan and cytological findings.