Figure 2.

Representative photomicrographs of TNFAIP8 immunohistochemical staining. (A) Tumour necrosis factor-α-induced protein 8 expression in ovarian tissues. (a) Positive control in lung cancer. (b) Negative staining in normal ovary. (c) High expression in serous histotypes. (d) Low expression in serous histotypes. (e) High expression in mucinous histotypes. (f) Low expression in mucinous histotypes. (g) High expression in endometrioid histotypes. (h) Low expression in endometrioid histotypes. (i) High expression in clear cell histotypes. (j) Low expression in clear cell histotypes ( × 400 original magnification). (B) TNFAIP8 expression in primary and metastatic lesions from the same patient. (a) Primary lesion. (b) Metastatic omentum. (c) Metastatic peritoneum. (d) Metastatic lymph node ( × 400 original magnification).