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Abstract

A cancer diagnosis system that performs cancer diagnosis from an incomplete set of CT images having at least one missing phase includes an input unit that receives the incomplete set of CT images, a full-phase CT image set generation unit that synthesizes CT images for the at least one missing phase to generate a full-phase CT image set, a lesion-level feature extraction unit that extracts a feature map and a segmentation map from the full-phase CT image set, and extracts lesion-level features from the feature map and the segmentation map, and a cancer subtype prediction unit that predicts a subtype of cancer based on the extracted lesion-level features. Therefore, it may be possible to synthesize CT images with missing phases, and perform accurate classification of the pathological subtype of the tumor in consideration of the synthesized CT images.

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