- Cancer Research 4
- Internal Medicine 4
- Oncology 4
- Biomedicine, general 3
- Health Promotion and Disease Prevention 3
- Medicine/Public Health, general 3
- Surgical Oncology 3
- Artificial Intelligence 2
- Gastroenterology 2
- Hepatology 2
- Information Systems Applications (incl. Internet) 2
- Proctology 2
- Science, Humanities and Social Sciences, multidisciplinary 2
- Science, multidisciplinary 2
- Surgery 2
- Characterization and Evaluation of Materials 1
- Computational Intelligence 1
- Computer Appl. in Administrative Data Processing 1
- Control and Systems Theory 1
- Data Mining and Knowledge Discovery 1