My father is suffering from swollen ankles,he ughs at nights and difficulty in breathing and high blood pressure for 4 mnths.He had small surgery in his back buttock 6mnth ago.And now it is dry.Chest x-ray shows that his lungs has water retention.the doctor told that his heart has weaken and he will suffer always. He is a sugar patient too.I think he is suffering from pulmonary embolism but no doctors are listening and helping me.i just need the assurance n tests that he is not suffering frm PE