Leg swelling from knee down. recent chest pain/pressure/cough. ekg normal. xray inconclusive. ct in 5 days.hx of pericardial cyst-4x3cm. thoughts?

DVT??: Are you on birth control pills? Are you over weight? Do you have diabetes? How active are you,? Do you smoke? These and other things need to be reviewed for the correct diagnosis to be made. A possibility of heart failure even though you're young unless you have a h/o heart disease considering your symptoms. Of much concern would be blood clot in your legs. You need to be seen by a doctor