Pathology Microdeletion leading to instability of DNA, causing the cell to undergo degeneration is seen as a marker in which of the following cancer? A Medullary carcinoma of thyroid B Small cell lung cancer C Gastric lymphoma D Colon carcinoma 💡 Explanation Microdeletion leading to instability of DNA, causing the cell to undergo degeneration is seen as a marker in which of the following cancer? ✓ Correct Answer: D. Colon carcinoma