The group only had one oxygen tank for emergencies , if they had had more she might have been able to climb using oxygen .
That was not the case so she decided to turned around early in the morning without reaching the summit and descended .
The group only had one oxygen tank for emergencies , if they had had more she might have been able to climb using oxygen , but that was not the case so she decided to turned around early in the morning without reaching the summit and descended .