Adjustment of Status - I-485

Hello everyone just wondering is anyone in the same situation as I am so pd oct/2017 I-485 summited had my interview May 2019 nyc federal plaza interview went well , was given the 120 day notice form 2 weeks later I was sent a letter for a new medical form because old one had expired . So brought that new one in person at the same office , they stamped the letter saying the received one for my copy . Until now no response from them . I called Uscis for any info the sent back a letter saying that the case is still being held for review . My attorney say they there delay on many cases .. so am just here waiting on a responses anytime .