Case 3
Clinical History:
        A 15-day-old boy had had a mass at upper left abdomen since birth. Here are his plain abdominal film, 2 abdominal ultrasonograms, and 2 abdominal CT scans.
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Figure 1. Plain abdominal film
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Figure 2. Transverse ultrasonogram of the liver
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Figure 3.  Longituidnal ultrasonogram of the left liver lobe
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Figure 4. Noncontrast CT scan of the liver
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Figure 5. Contrast CT scan of the liver
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What is your diagnosis?.
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ANSWER