Cancer imaging is a branch of medical imaging that focuses on the detection, diagnosis, and monitoring of various types of cancer in the body. This field utilizes advanced imaging techniques such as X-rays, computed tomography (CT), magnetic resonance imaging (MRI), positron emission tomography (PET), and ultrasound to visualize tumors and assess their size, location, and characteristics. Cancer imaging plays a crucial role in early detection of cancer, staging of the disease, guiding treatment decisions, and monitoring response to therapy. By providing detailed images of tumors and surrounding tissues, it helps in identifying cancer at an early stage when treatment is most effective. Advancements in cancer imaging technologies have significantly improved the accuracy and sensitivity of cancer diagnosis, leading to better outcomes for patients. Researchers continue to explore new imaging modalities and develop innovative imaging approaches to further enhance the detection and management of cancer.