Hey I'm looking for some advice I'm going out of my mind worrying but my dad he's got COPD he collapsed awhile ago had to report to his GP after the ambulance was called since then he was asked if he's been in contact with any substance i.e. asbestos which he has worked in the steelworks he then had to have an x-ray haven't had the results next was it a CT scan still no results then he has an appointment at the oncology department where he had a ECG test has taken also a blood test then week later he had to have a broconoctomy where a sample was taken by having his lungs washed he hasn't had any results of any tests has to see the doctor again in three weeks time should I be concerned please be honest thank you