Figure legends
Figure 1. Computed tomography scan on admission. The appendix was dilated with the tumor exhibiting intraluminal growth. This tumor extended to the serosal side of the proximal ascending colon.
Figure 2. Endoscopic finding of the stenotic portion. Colonoscopy on admission showed a circumferential stenosis of the ascending colon. The lumen was spread by air supply, and intraluminal tumor growth was not observed. The mucosa was reddish but pathological examination of biopsy specimens showed no malignancy.
Figure 3. Pathological finding of the appendix. The tumor was arisen from the appendix wall and exhibited intraluminal growth. The tumor consisted mainly of carcinoma, but an adenoma component was also found. (A) Loupe image, (B) adenocarcinoma (x 200), and (C) adenoma component (x200).