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Fig. 3B —63-year-old man with 7 x 2-mm flat hyperplastic polyp in
transverse colon. 2D transverse images of colon window setting (B:
width, 1,500 H; level, -200 H) and soft-tissue window setting (C:
width, 400 H; level, 20 H) of CT colonography show slightly elevated lesion
(arrow, B and C) on haustral fold of transverse colon.
This lesion was missed on blinded review because of its low conspicuity but
was found on unblinded review.
