Tumour < Safe ✰ >

A (also spelled "tumor") is an abnormal mass of tissue that develops when cells grow and divide more than they should or fail to die when they should. While the word is often associated with cancer, tumours are broadly categorized into two types:

: Tumours can be triggered by genetic mutations, environmental factors (like radiation or tobacco), or certain infections. tumour

: 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 A (also spelled "tumor") is an abnormal mass

Treatment depends on the type, size, and location of the mass. Common approaches include: Wilms’ tumour: A review of 15 years recent experience They grow rapidly, can invade and destroy nearby

: 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