Non-contrast MRI radiomics model predicts recurrence and survival in cervical cancer after chemoradiotherapy

Non-contrast MRI radiomics nomogram stratified cervical cancer patients after chemoradiotherapy into high- vs low-risk groups for 5-year progression-free survival (PFS); high-risk group had worse PFS (validation P=0.012). Performance was comparable to contrast-enhanced MRI.

• The radiomics model was built using 114 patients from two centers and externally validated in 31 patients.
• The nomogram's performance was similar to contrast-enhanced MRI-based models, without requiring gadolinium.

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