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Pretreatment (A, C, E) and post-treatment (B, D, F) computed tomographic scans from selected patients. Patient 3 received cetuximab alone. Patients 9 and 17 received cetuximab plus cisplatin. Time between scans was six months (A, B), six weeks (C, D), and four months (E, F). Arrows indicate metastatic tumors.
