Hi, I am a 22 year old female, 5 8, 150lbs. A week ago I was hurrying down the stairs with my laptop in my hands and I slipped on the top step and fell on my back down the stairs. Unfortunately, I wasn t able to brace myself because I was trying to prevent my computer from falling. Although a little sore, I was fine after, but the next day I developed a cyst like bump below my right shoulder blade. It has no coloration at all, but it seems to be filled with fluid as it is a little squishy. The bump is rather large (about the size of a lacrosse ball), and I am worried that the fluid has no place to go. Should I go in to see the doctor or should I wait it out? I don t have much pain there, other than the fact that I can feel there is a bump there and when I lay on it it hurts a little. Thank you for your help!