AI Article Synopsis
- - A 57-year-old man had surgery to remove Stage Ⅰ sigmoid colon cancer, but developed lung and retroperitoneal metastases over the next several years, requiring additional surgeries.
- - Nine years post-surgery for colon cancer, he had another tumor in the lung, which was confirmed to be a metastasis from his original colon cancer.
- - Research shows that over half of late recurrences in colorectal cancer cases come from initial diagnoses of Stage Ⅰ or Ⅱ, indicating that even if colon cancer is initially treated successfully, late recurrences can still happen.
Article Abstract
A 57-year-old man underwent curative resection for Stage Ⅰ sigmoid colon cancer; 6 years later, lung metastasis was detected and subsequently resected. Eight years after the first curative resection, retroperitoneal metastasis was detected and subsequently resected. Nine years after the first curative resection, a growing tumor was detected at the bottom of the right lower lobe of the lung. Partial lung resection was performed; pathological examination revealed a secondary tumor formed as a result of colon cancer metastasis. When we searched previous cases of late recurrence in colorectal cancer, the primary colorectal cancer was classified as StageⅠ or Ⅱ in more than half of the cases. Therefore, even after curative resection of Stage Ⅰ colon cancer, late recurrences may occur.
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