Dosimetric comparison study of ultrahypofractionated photon versus proton treatment plans in post breast-conserving surgery breast cancer - Kitwadee Saksornchai; Tanawat Tawonwong; Puntiwa Oonsiri; Mananchaya Vimolnoch; Thanaporn Sarsitthithum; Chawalit Lertbutsayanukul; Chonnipa Nantavithya (PLoS ONE, 2026)