The tumor may also grow and invade tissue around the breast, such as the skin or chest wall.

Tumors invade other cells and begin to spread through a process known as metastasis.

The tumors - as his god perceived them - had already invaded her lungs and bowel.

Tumors have invaded my body, and they will keep growing until they choke me to death from within.

By the time I saw him, the tumor had gripped his lungs and invaded his liver.

The entire tumor is confined to the epidermis and does not invade into the dermis.

Surgery is often used, if tumor invades the mandible or maxilla.

By their very nature, these tumours invade diffusely throughout the brain stem, growing between normal nerve cells.

The treatment of bladder cancer depends on how deep the tumor invades into the bladder wall.

Although benign tumors will not metastasize or locally invade tissues, some types may still produce negative health effects.