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FIGURE 3. Number of cases with potentially beneficial and detrimental changes (>0.1) and with minor changes (<0.1) in computer output resulting from use of PET and additional CT features for 4 groups of nodules by SUV (A) and 3 groups of nodules by size (B). Number of cases with beneficial effects resulting from use of additional CT features was larger than that with detrimental effects, especially when nodule SUV was between 1 and 4 or nodule was smaller than 2 cm.
