Fig. 2From: Osteosclerotic change as a therapeutic response to gefitinib in symptomatic non-small cell lung cancer bone metastasisRepresentative radiographs showing evaluation criteria. Radiographs obtained before treatment show lytic metastasis. After some treatment, the radiographs showed “partial filling in,” categorized as partial response (PR), and “complete filling in,” categorized as complete response (CR)Back to article page