Table 2: Histological grade of the malignant epithelial tumours.

Histological typenGrade 1Grade 2Grade 3
(%) (%) (%)

Tubulopapillary carcinoma1814 (77.78%)3 (16.67%)1 (5.55%)
Solid carcinoma203 (15.00%)13 (65.00%)4 (20.00%)
Cribriform carcinoma10 (0.00%)1 (100.00%)0 (0.00%)

Total3917 (43.59%)17 (43.59%)5 (12.82%)