한국가서 생활..

https://www.uscis.gov/green-card/while-your-green-card-application-is-pending-with-uscis#:~:text=Generally%2C%20if%20you%20have%20a,see%20our%20Travel%20Documents%20page.

If You Need to Travel
If you need to leave the United States temporarily while your Form I-485 is pending, please see the instructions for Form I-131, Application for Travel Document, for more information. Generally, if you have a pending Form I-485 and you leave the United States without an advance parole document, you will have abandoned your application. For further information, see our Travel Documents page.