station 4R is bordered by SVC, azygos, and trachea


EBUS

  • on EBUS, navigate to right above carina or immediately in right mainstem and look 1-2 o'clock
  • slowly come up and pan from 11-3 o'clock as you do
  • SVC will appear below 4R (farther away from scope)
  • azygos will appear to left of 4R (left is inferior)