I am about 3months out from ACL surgery and I woke up one day and my inside of my knee was swollen and can hardly walk on it.. I saw my doctor and he said it needs to get the swelling out before he can tell me what is wrong. he sent me back to physical therapy and 5 days since the incident I an no better. could I have pulled the graft from the screws? I am very nervous as to what this means. I don't want to have to start over. Anybody else have this problem?