What Is The Treatment For Swollen And Painful Legs?

sir i meet with an accident last year doctor told that my right leg as partial acl tear and suggested me to continue psychotherapy and i did same. it was better but today in emergency i ran to up stairs and turned suddenly and fell down at that time i was unable to walk so much of pain in evening i noticed little swelling and noticed difficulty in walking, folding and stretching my leg what should i do now ? if i go for acl reconstruction what will be expenditure and how much maximum time it will take to walk