Higher tumor LET predicted better local control after carbon-ion NPC reirradiation
Recurrent NPC with GTV LETd99 ≥39.4 keV/μm had 94.4% versus 65.3% two-year local control after carbon-ion reirradiation.
Recurrent NPC with GTV LETd99 ≥39.4 keV/μm had 94.4% versus 65.3% two-year local control after carbon-ion reirradiation.
PATLESL increased lattice peak-to-valley dose ratio from 16.9 to 41.9 while reducing spot number and delivery time.
Combined high-dose and high-LET exposure around breast implants was associated with severe capsular contracture after proton postmastectomy radiotherapy.
Multi-RBE carbon-ion optimization increased near-minimum GTV LET by 29.2% while maintaining conventional dose coverage and interfraction robustness.
Temporal lobe volumes receiving high dose or moderate dose with high LET jointly predicted grade 2 or higher necrosis.
Dose-dependent linear energy transfer constraints aligned with published proton toxicity data better than fixed threshold approaches.
High-dose, high-linear-energy-transfer target coverage stratified local control after carbon-ion radiotherapy for adenoid cystic carcinoma.