The prevalence of primary malignant tumors in the gastrointestinal tract is significant, accounting for 23% of invasive cancers and 24% of cancer-related deaths in 1988. In the U.S., an estimated 227,500 new cases are expected, with various cancers affecting the esophagus, stomach, intestines, and pancreas. Early signs often include gastrointestinal bleeding, and risk factors encompass personal or family histories of cancer, polyps, and inflammatory bowel disease. Additionally, dietary habits, particularly high-fat and low-fiber diets, may contribute to increased risk.
Hans-Peter Heilmann Livres



Radiation Therapy of Head and Neck Cancer
- 256pages
- 9 heures de lecture
The management of head and neck cancers is evolving to enhance long-term outcomes while minimizing disfigurement and distress from treatments. With significant advances in surgical and radiation therapies, early-stage tumors, particularly in the vocal cords and oral cavity, have a high cure rate. However, advanced tumors present greater challenges, necessitating integrated, multimodal treatment strategies. As a result, the prognosis for these more complex cases is improving due to more aggressive therapeutic approaches.