It is the first phase in tumor development.

Defects in RAD51 are known to be associated with tumor development.

Pure phorbol 12-myristate 13-acetate is now used widely for laboratory study of tumor development.

Since the inception of phosphoproteomics, cancer research has focused on changes to the phosphoproteome during tumor development.

Tumor progression is the third and last phase in tumor development.

Misregulation of these processes can cause unwanted cell growth and movement, which can lead to tumor development.

Pannexins may be involved in the process of tumor development.

Ongoing research on the biology of these tumors may reveal new mechanisms for tumor development.

The drug has been found to prevent tumor development.

Studies strongly suggest that genetic factors may play a role in tumor development and tumor-related epilepsy.