Although she certainly hasn’t lost weight which is apparently one of the hallmark features.
After she "stumbled" at the 9/11 memorial service, and before she left "Chelsea's apartment" "feeling great," she appears to have lost about 50 pounds. But I think she gained it back before her next appearance.
Gastrostomy tubes are frequently used to feed those with swallowing issues.
The body double weighs approx. thirty pounds less than illary, and when she appeared to speak to the little girl posed for her on the sidewalk outside Chelsea’s apt, the double was not wearing the ‘vest’ ... another indicastion it was not illary.