To accurately predict lymph node metastasis in patients with mass-forming intrahepatic cholangiocarcinoma by using CT radiomics features of tumor habitat subregions.

However, despite our initial success in applying the model to predict ICC patients without lymph node dissection and observing certain trends in survival analysis, these differences did not reach statistical significance owing to limitations in follow-up data.

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This was visually reflected in the survival curves, which showed a clear trend of separation (Fig. 2 ).

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Through meticulous data processing and model validation, the obtained model showed a positive trend.

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