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Schematic diagram of the U-survival model. The U-radiomics vector derived from the bottleneck section of the U-Net is subjected to an elastic-net Cox model for predicting the disease progression and mortality of a patient. Conv convolutional layer (kernel 4, stride: 2), ConvTrans transposed convolution (kernel 4, stride: 2), LReLU leaky rectified linear unit, BatchNorm batch normalization.
