Dear Student,
Tumours are groups of abnormal cells that form lumps or growths.
Cancerous Tumour: When cancer cells form a lump or growth, it is called a cancerous tumour.The process of movement of cancerous cell from is primary location to the new place is called is called Metastasis.
Non-cancerous tumours:Tumours that aren’t cancerous are called non-cancerous tumours.They stay in one place and don’t spread to other parts of the body
Regards.