# Correction: A Novel Approach to Assessing Differentiation Degree and Lymph Node Metastasis of Extrahepatic Cholangiocarcinoma: Prediction Using a Radiomics-Based Particle Swarm Optimization and Support Vector Machine Model

> Research article (JMIR Medical Informatics, 2021) · cited 10× · AI/ML

**Wikidata**: [openalex:W3089756171](https://www.wikidata.org/wiki/openalex:W3089756171)  
**Source**: https://4ort.xyz/entity/correction-a-novel-approach-to-assessing-differentiation-degree-and-lymph-node-metastasis-of-extrahepatic-cholangiocarci