1.   The hallways were packed with those who had stayed overnight on the floor.

2.   The hallway was so packed that stretcher-bearers had to push their way down the corridor when they brought in fresh wounded.

3.   The hallway was so packed that stretcher bearers had to push people out of the way as they worked their way down the corridor with fresh wounded.

4.   The hallway was so packed that stretcher bearers had to push their way down the corridor when they brought in fresh wounded.