PMC4276086_01
Histological findings showed increased well-differentiated tubular adenocarcinoma within a tubular adenoma (hematoxylin and eosin, 100x).
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A horizontal and vertical cut margin was negative (Fig. 1).
Brain CT scan showed a convex lens-formed high absorbance structure in the left eye, considered to be metastatic rectal cancer.
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CT scan of the brain demonstrated a metastatic lesion in the left eye (Fig. 2a and b).
Chest CT scan showed multiple small tumors (arrows), considered to be metastatic rectal cancer.
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A repeat CT scan of chest demonstrated the presence of multiple metastases in both lungs (Fig. 3a and b).