While datanodes are invaluable, they also come with challenges. One significant issue is data heterogeneity, where datanodes from different sources may vary in format, quality, and completeness. This inconsistency can complicate data integration and analysis. Another challenge is data privacy, as the sensitive nature of patient information requires strict protocols to ensure confidentiality and compliance with regulations. Additionally, the sheer volume of data can be overwhelming, necessitating robust data management and storage solutions.