Figure 4From: Monitoring response to gefitinib in nude mouse tumor xenografts by 18 F-FDG microPET-CT: correlation between 18 F-FDG uptake and pathological response MicroPET-CT imaging of A549 tumors before and after gefitinib treatment. Tumors in the treated (A) and control (B) groups on day 2, 7, and 14. White arrow indicates tumor.Back to article page