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A 72-year-old man with moderately differentiated adenocarcinoma of the stomach.
A. Multiple tiny soft tissue infiltrations are suspected in the right paracolic gutter on the CT image (arrows). The CT reviewers interpreted this finding as being peritoneal metastasis.
B. The PET image does not show significantly increased FDG uptake in the peritoneal cavity. The absence of peritoneal metastasis was identified by laparotomy.
