I have found a lump at the back of my head, i have had a headache for a few days prior to the finding the lump, the pain is like pressure on the top of my head at the same side as the lump, when i wake up the pain is not there, but within an hour its back,however the pain has woke me from my sleep, i try to fall back asleep but with the pressure n hearing my heart pounding the only way i can fall back asleep is sitting up, i'v also noticed i have lost a lot of weight, i have been dieting but i was shocked when i noticed how much weight i'v lost, around 2 stone in 3 months