What is the name of the disease that involves the formation of a large carcinoma in both the frontal lobes ?

Symptoms include an individual who shows a relatively indifferent behavior, no facial expression,high spirit, volatile, "a riot", full of quips and cracks, often clever and funny, no insight though acute and intelligent? What is the name of the disease and has this got any relation with Cerebral Multiple Sclerosis? Please help me understand this in more detail & I will be thankful 2 u all who respond/answer me.