Dr gvk

  Introduction Colon cancer remains one of the most common gastrointestinal malignancies worldwide. Over the past decade, remarkable progress in diagnostic technologies and treatment strategies has transformed how this disease is detected and managed. These advances have shifted care from a one-size-fits-all approach to highly personalized treatment plans designed to improve survival and quality of life. Breakthroughs in Early and Accurate Diagnosis Early diagnosis is critical for successful colon cancer outcomes. Traditional methods such as colonoscopy remain the gold standard, but they are now complemented by advanced imaging techniques and molecular tests. High-resolution CT colonography, enhanced endoscopic imaging, and stool-based DNA tests allow for earlier detection of precancerous lesions and tumors. In addition, liquid biopsies—simple blood tests that detect circulating tumor DNA—are emerging as powerful tools for identifying cancer at an early stage and monitoring dise...

  Understanding the Body’s Natural Defense System The immune system plays a crucial role in protecting the body from infections, viruses, and abnormal cells. Under normal conditions, immune cells such as T-cells and natural killer cells constantly scan the body to identify and destroy abnormal growth. However, cancer cells have the ability to disguise themselves, suppress immune responses, and continue growing undetected. What Makes Cancer Cells Difficult to Destroy Cancer cells develop advanced survival techniques. They may produce proteins that stop immune cells from attacking or mimic healthy cells to hide from immune surveillance. This ability to escape the immune system is one of the reasons why cancer can progress even in individuals with strong immunity. Understanding these mechanisms has led to the development of immunotherapy — treatment focused on reawakening the immune system to fight cancer effectively. How Immunotherapy Works Immunotherapy aims to empower the immu...