PATHOLOGY

Detailed explanation-1: -Malignant tumors are cancerous (ie, they invade other sites). They spread to distant sites via the bloodstream or the lymphatic system. This spread is called metastasis. Metastasis can occur anywhere in the body and most commonly is found in the liver, lungs, brain, and bone.

Detailed explanation-2: -There are several main types of malignancy. Carcinoma is a malignancy that begins in the skin or in tissues that line or cover internal organs. Sarcoma is a malignancy that begins in bone, cartilage, fat, muscle, blood vessels, or other connective or supportive tissue.

Detailed explanation-3: -Types of malignant tumors Bone tumors (osteosarcoma and chordomas). Brain tumors such as glioblastoma and astrocytoma. Malignant soft tissue tumors and sarcomas. Organ tumors such as lung cancer and pancreatic cancer.