Both USCIS and US Dept of State accept translation with certific
https://www.state.gov/m/dghr/flo/154965.htm
https://www.uscis.gov/ilink/docView/AFM/HTML/AFM/0-0-0-1/0-0-0-2061/0-0-0-2253.html
不是英文的文件可以自己或请人翻译, 附上原文和翻译人的宣誓词(不用公证). 不过病历要翻译好, 一般需要有专员知识的人做.
Certification by Translator
I [typed name], certify that I am fluent (conversant) in the English and ________ languages, and that the above/attached document is an accurate translation of the document attached entitled ______________________________.
Signature_________________________________
Date Typed Name
Address