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Figure 2: (a) Microscopic appearance of tumour infiltrating into oesophageal mucosa and showing both squamous and glandular differentiation (H and E, ×200); immunopositivity for p40, highlighting the squamous component (inset) (H and E). (b) Adenocarcinoma component infiltrating in between smooth muscle bundles (H and E, ×200); immune-stained for CK20 and CK7 (inset)

Figure 2: (a) Microscopic appearance of tumour infiltrating into oesophageal mucosa and showing both squamous and glandular differentiation (H and E, ×200); immunopositivity for p40, highlighting the squamous component (inset) (H and E). (b) Adenocarcinoma component infiltrating in between smooth muscle bundles (H and E, ×200); immune-stained for CK20 and CK7 (inset)