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(a) B-mode image of a benign thyroid nodule with degenerative changes. (b) Manual segmentation by a board-certified sonographer with the thyroid nodule in red, normal thyroid in blue, and cyst in green. (c) Predicted boundaries using the multi-prong convolutional neural network with the thyroid nodule in red, normal thyroid in blue, and cyst in green. A mean Dice coefficient of 0.95 was achieved.
