A malignant tumour means that it is a tumour which has cancer
hepatoma
Chondrosarcomachondrosarcomachondrosarcoma
Osteosarcoma is a malignant tumor of osteoblasts.
thyroid neoplasm
Myosarcoma
lymphoma
sarcoma
Neoplasm is the medical term meaning tumor; a neoplasm can be malignant (cancerous) or benign.
Cancer is the medical term meaning malignant and invasive tumor.
malignant melanoma
A malignant tumour of epithelial origin is called a carcinoma.
Osteosarcoma