<s>[INST] Hi my father just had knee surgery with prosthetic on Monday Aug 21,2017 and he s doing great some swelling on his foot and leg which we were told were normal and some bruising also but is it normal to have some meaning to boils on the side of his knee. We are in Houston and going thru Hurricane Harvey cannot get a hold of his doctors staff at this moment but I don t think this is an emergency what do you think? [/INST] Dear patient Mild swelling of the leg and foot post knee surgery is common for initial few weeks or months. It is not a matter of urgency. Keep limb elevated on 2 pillows. Apply crepe bandage or wear lower limbs stocking.  continue knee range of motion if permitted. </s>