Figure 1From: Monitoring response to gefitinib in nude mouse tumor xenografts by 18 F-FDG microPET-CT: correlation between 18 F-FDG uptake and pathological response Changes in A431 tumor volume during treatment with gefitinib. No significant differences were seen among the groups on days 0 and 2 (P > 0.05). Significant differences among the groups were observed on days 7 and 14 (P < 0.05).Back to article page