1. Introduction to Exosomes in Cancer 2. Extracellular Vesicle Biogenesis in Cancer 3. Composition, Physicochemical and Biological properties of Exosomes Secreted from Cancer Cells 4. Heterogeneity of Tumor Exosomes - Role in Personalized Medicine 5. Proteomic Profiling of Tumor Exosomes 6. Nucleic Acid Profiling in Exosomes 7. Nanotechnology Platforms for Cancer Exosome Analyses 8. Microfluidics and Tumor Exosomes 9. Exosomal RNA as Biomarkers: Role in Cancer Prevention 10. Diagnostic Potential of Tumor Exosomes 11. Biodistribution of Tumor Derived Exosomes 12. Tumor-Derived Exosomes as Vehicles Mediating Immune Suppression in Cancer 13. Exosome Uptake and Cellular Reprogramming in the Tumor Microenvironment 14. Exosomes and Intercellular Conduits: Communication between Tumor Cells and Fibroblasts in the Microenvironment 15. Exosomes in Tumor Angiogenesis 16. Role of Exosomes in Development of Pre-Metastatic Niche 17. Role of Exosomes in Tumor Metastasis 18. Exosomes and Tumor Drug Resistance 19. Exosomes in Cancer Immunotherapy 20. Extracellular Vesicles as Vehicles of B Cell Antigen Presentation: Implications for Cancer Vaccine Therapies 21. Translational Potential of Tumor Exosomes in Diagnosis and Therapy 22. Perspective on Cancer Exosomes in the Future