Data privacy is essential for several reasons: 1. Patient Confidentiality: Histological samples often come from biopsies or surgical procedures, containing personal health information that must remain confidential. 2. Legal Compliance: Various laws and guidelines, such as the General Data Protection Regulation (GDPR) and Health Insurance Portability and Accountability Act (HIPAA), mandate stringent data protection measures. 3. Research Integrity: Protecting data helps in maintaining the integrity and reproducibility of scientific research.