US Immigration from Egypt

Two minor questions for anyone who might be able to offer some advice:

1- During the interview, does the officer ask for all documentation at once, or do they ask for specific documents? I divided everything into different files for my mother like "financial documents," "birth certificates," etc. but I can just ask her to take them out of the individual files and put them in one big envelope. Any advice?

2- After the medical, my mother was told that she didn't need any paperwork because it would be sent automatically to the embassy. But the embassy website says:
"When your examination is completed, the doctor will either provide you with exam results in a sealed envelope or send them directly to the U.S. Embassy. IF GIVEN AN ENVELOPE TO CARRY TO YOUR INTERVIEW, DO NOT OPEN THIS ENVELOPE. Instead, bring it to your visa interview. Any x-rays taken will be given to you. You DO NOT need to bring the x-rays to your visa interview unless you suffer from tuberculosis (TB). However, you must carry the x-rays with you when you travel to the United States for the first time. The medical report must be less than six months old when you enter the United States as an immigrant."

Does anyone thing the lack of x-rays will be a problem? I took a look at a couple of older posts here and it sounds like this isn't a big deal.

I ve been trying to figure this out for about a week now and I m stumped. Hopefully someone here can help clear this up for me.

My mother has her interview scheduled for a few weeks from now, and her medical exam in Cairo in a few days.

The embassy s website says that she must register her address online and provides a link (see image). The embassy also provides a checklist that says this must be completed and 2 copies of the confirmation page must be brought to the embassy (see image).

The problem is that the link takes me to USTravelDocs which only gives me the option to fill out a DS260 application and to schedule an interview (see image). But we ve already submitted a DS260 through CEAC and we have an interview date already and a confirmation page from CEAC. But I have no document delivery confirmation.

Do I need to resubmit the DS260 to get a new confirmation? I don t see any other way to get a document delivery address confirmation page that they want, but I m quite confused.

In the past, for the DS160 NIV application, it was all down through USTravelDocs so there was no confusion.

Thanks for your help.

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