I have routine ct scans with contrast for lung nodules, last measurement 7.3 mm from 5.5 mm a year ago, just had scan yesterday and today doc office called but their phone kept hanging up and office is closed, now im worried for weekend that something is wrong. is it customary to receive a phone call if something is wrong, never had this happen before, i have an appointment on wed, i have coughing for a year and the doc is well aware of it.