Tumour

: Doctors often use imaging like MRIs or CT scans to locate a mass. A definitive diagnosis usually requires a biopsy , where a tissue sample is examined under a microscope.

: Modern research focuses on the "tumour microenvironment"—the complex ecosystem of blood vessels and immune cells surrounding the mass that can either help it grow or help the body fight it. Treatment Overview tumour

: Tumours can be triggered by genetic mutations, environmental factors (like radiation or tobacco), or certain infections. : Doctors often use imaging like MRIs or

: These are cancerous. They grow rapidly, can invade and destroy nearby healthy tissue, and have the ability to spread (metastasize) to distant organs through the blood or lymphatic system. Key Characteristics and Diagnosis environmental factors (like radiation or tobacco)