Trauma - An injury (as a wound) to living tissue caused by an extrinsic agent.
Tumor - A swollen or distended part or mass of tissue.
Sinus - A cavity in the substance of a bone of the skull that usually communicates with the nostrils and contains air.
Malignant - Tending to infiltrate, metastasize, and terminate fatally.
Anti coagulants - A substance that hinders the clotting of blood.