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Figure 4: (a and b) (Case 3) Cholangioblastic pattern – showing small ductular structures present within the tumor (H and E, ×400 and × 200). The ductular component is positive for keratins (inset-for CK 19). (c and d) (Case 8) Pleomorphic pattern having increased atypical nuclear features with marked nuclear pleomorphism, coarse, and prominent nucleoli (H and E × 400 and × 600)

Figure 4: (a and b) (Case 3) Cholangioblastic pattern – showing small ductular structures present within the tumor (H and E, ×400 and × 200). The ductular component is positive for keratins (inset-for CK 19). (c and d) (Case 8) Pleomorphic pattern having increased atypical nuclear features with marked nuclear pleomorphism, coarse, and prominent nucleoli (H and E × 400 and × 600)