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Fig. 1 | BMC Cancer

Fig. 1

From: Complete pathological response following neoadjuvant FOLFOX chemotherapy in BRCA2-mutant locally advanced rectal cancer: a case report

Fig. 1

Endoscopic and pathological features of rectal cancer. (a): Colonoscopy showed a circumferential mass at the middle rectum; (b): Photomicrographs showing the cytomorphological findings of endoscopic biopsy specimens. Hematoxylin and eosin section shows tumor cells have round-to-ovoid nuclei with dense chromatin, and moderate amount of eosinophilic cytoplasm (original magnification × 100). (c-f): Photomicrographs showing positive staining of DNA mismatch repair proteins MLH1 (c), MSH2 (d), MSH6 (e) and PMS2 (f) in biopsy specimens. (original magnification × 100)

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