MedOtter thoracic CT submission — AttU_Net
2D slice-wise AttU_Net for the thoracic_lesion_ct leaderboard task.
Trained on the bundle TRAIN split via the official prep_data +
SDK loader (HU window [-1000.0,200.0], 3-class). predict(image (C,i,j,k)) -> (i,j,k) canonical labels on the native grid.
