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A) CT Chest at diagnosis shows multiple pulmonary metastases, B) CT Chest after 12 cycles of chemotherapy with 5-Fluorouracil and oxaliplatin showing radiographic response, C) CT Chest after 4 cycles of 5-Fluorouracil and irinotecan and clinical trial involving MEK1-2 inhibitor with progression of disease, D) Trend in tumor marker, carcinoembryonic antigen (CEA).
