PMC5564419_01
Treatment course.. Abbreviations: CapeOx, capecitabine and oxaliplatin; mCRC, metastatic colorectal cancer; PD, progressive disease; T-DM1, trastuzumab-DM1; XRT, chemoradiation.
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F1
First-line treatment with FOLFIRI and cetuximab was initiated, and approximately 2.5 months later interval scans showed a modest response in the liver and lungs and stable focal thickening at the rectosigmoid junction (Figure 1).
(A) Abdominal CT image before the start of T-DM1 treatment. (B) Abdominal CT image after 5 months of T-DM1 treatment.
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F2
He remained on treatment, and imaging 3 months later showed a continued response in the liver and stable disease in the lungs and the primary tumor (Figure 2).