TORONTO, ON - FEBRUARY 26: Dr. Shaf Keshavjee (iPad) checks in with his team via Skype to have a look at donor lungs connected to an XVIVO lung machine at Toronto General Hospital for a potential double-lung transplant. The machine will help the transplant team run a series of tests to verify the condition of the donor organ prior to transplant. (Randy Risling/Toronto Star via Getty Images)
