Those affected by cancer or receiving cancer treatment have often been more susceptible to infections due to coexisting chronic diseases, overall poor health status, and systemic immunosuppressive states caused by both cancer and anticancer treatments. This pioneering text is an introduction to the key topics in the relationship between infection, pollution, and cancer and is an invaluable resource for residents and junior faculty in Oncology facing the practical problems arising and for those still in training. *Looks at the lessons to be learned for future Oncology patients from a series of studies. *Presents relevant international experience from Oncology clinicians and researchers. *Brings together input from different countries, systems, and specialties.