Local $K$-Similarity Constraint for Medical Federated Learning with Label Noise. - Sanskar Amgain; Prashant Shrestha; Bidur Khanal; Alina Devkota; Yash Raj Shrestha; Sengryul Baek; Prashnna K. Gyawali; Binod Bhattarai (ISBI, 2026)