All of the following are true about brain metastasis except:

M/c brain tumor is Metastasis M/C primary site for brain metastasis is Ca Lung > Ca breast Frontal lobe is the most common site Lesions are located at the gray-matter and white-matter junction Treated with both Surgery and Radiotherapy (whole brain Radiotherapy) Chemotherapy is not helpful Exceptions: - Can be used in brain metastases due to small cell lung cancer and seminomas