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Figure 1 : 60-year-old smoker with a biopsy-proven non-small cell cancer of the right lung. Pre-treatment FDG PET-CT study (top panel) shows avid mass in the upper lobe of the right lung. Post chemotherapy (bottom panel) shows significant regression in metabolism but with no change in size

Figure 1 : 60-year-old smoker with a biopsy-proven non-small cell cancer of the right lung. Pre-treatment FDG PET-CT study (top panel) shows avid mass in the upper lobe of the right lung. Post chemotherapy (bottom panel) shows significant regression in metabolism but with no change in size