Frontier Communications. Frontier Communications Corporation is a telecommunications company in the United States, which was previously mainly serving rural areas and smaller communities but now also serves several large metropolitan markets. It was known as Citizens Utilities Company until May 2000 and Citizens Communications Company until July 31, 2008.
The terms benign and pseudotumor derive from the fact that increased intracranial pressure may be associated with brain tumors. Those patients in whom no tumour was found were therefore diagnosed with pseudotumor cerebri (a disease mimicking a brain tumor).
Primary brain tumors begin within the brain. A metastatic tumor is formed when cancer cells located elsewhere in the body break away and travel to the brain. For this reason, metastatic brain tumors are almost always malignant, while primary brain tumors may be benign or malignant.