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Figure 10. Lymphatic pooling mimicking nodes. Early(5 min) and delayed (30 min) images from a 39-year-old male with a right sided chest wall melanoma. (a) Early frontal image showing apparent drainage to two right axillary sentinel nodes. (b) Delayed frontal image showing that one of the apparent nodes has disappeared; the appearance on the early image was due to lymphatic pooling. If the delayed images had not been performed, this may have been marked erroneously as an additional sentinel node.
