p53 protein expression and CA19.9 values in differential cytological diagnosis of pancreatic cancer complicated with chronic pancreatitis and chronic pancreatitis

Figure 1 A little glandublar tissue and a large amount of fibrotic tissue.

Figure 2 A few cancerous cells scattered in fibrotic gland tissue. (Papanicolaou staining, original magnification ×200).

Figure 3 Yellow-brownly stained nuclei of p53 positive cells (ABC, original magnification ×400).