此外似乎你也可以申请157，出于人道主义考虑PR也不会被取消的。我觉得你属于有足够compelling and compassionate reason 离开澳洲：
Subclass 157 Resident Return visa
You might be able to be granted this visa if you:
•have lawfully spent at least one day in the past five years in Australia
•have spent less than two years in the past five years in Australia
•have been a permanent resident or an Australian citizen for the entire period spent in Australia
•can show a compelling and compassionate reason for having to leave Australia or, if you are outside Australia, for leaving when you did
If you have been living outside Australia for more than three continuous months immediately before applying, you must also show that you were absent for a compelling and compassionate reason