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Fig. 1 —Scatter chart showing number of abscesses per patient, number of episodes of abscess per patient, and number of abscesses per episode. Y-axis represents numerator of each ratio, and size of circle represents denominator. Number of abscesses per patient has bimodal distribution with most patients having either 1 or 2 or 10 or more. Most patients had only a few episodes and only a few abscesses (1 or 2) per episode, but some patients showed numerous episodes with multiple abscesses.