Proton Therapy for Locally Advanced Cervical Cancer

This study tests whether proton therapy (a precise form of radiation therapy) can better protect healthy tissues compared to standard radiation in women with locally advanced cervical cancer who are treated with curative intent radiation and brachytherapy. **You may be eligible if...** - You are 18 or older with cervical cancer confirmed by biopsy (squamous, adenocarcinoma, or adenosquamous type) - Your cancer has spread to pelvic lymph nodes (FIGO stage IIIC1 with ≥3 involved nodes, or IIIC2) - Para-aortic lymph node involvement below a specific level is also eligible - You are in good enough health to receive definitive radiation therapy - You are able to understand Danish or the language of the treating center **You may NOT be eligible if...** - You have another primary cancer (except early-stage skin cancer) - Your cancer has spread beyond the para-aortic region - You have had previous pelvic or abdominal radiation - You are pregnant, breastfeeding, or at risk of pregnancy without adequate contraception - You have HIV Talk to your doctor to see if this trial is right for you.