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ROR expression in OC stroma. (A) Representative images of stromal ROR1 (top panel) and ROR2 (bottom panel) IHC, from a score of 0 to 3. ROR1 staining did not have strong expression in the stroma, and therefore, no representative figure of score 3 is shown (NA). (B) ROR expression in the stroma depicted by histological subtype. Each pie chart represents percentage of samples and ROR score per subtype. Scores of 0 to 3 colored white, light gray, gray, and dark gray, respectively.
