Tumor initiation is defined as "a process in which normal cells are changed so that they are able to form tumors".

Once in the bone, these cancer cells can form new metastatic tumors.

It will also form tumors in nude mice in around 3-4 weeks.

However, adducts also formed in sites that did not commonly form tumors, such as the kidneys.

Lumps of these cells form cancerous tumors that make it difficult for the lung to function properly.

Although the cells are small, they multiply quickly and form large tumors that can spread throughout the body.

The abnormal plasma cells often form tumors in bones or soft tissues of the body.

It can also travel to other parts of the body and form new tumors, a process called metastasis.

Most cancers form tumors, but not all tumors are cancerous.

It does not usually form solid tumors.