Leir said he had removed about a dozen implants from people's bodies and claimed they were devices that emit radio signals.. Leir alleged that implants had moved by themselves during surgery as if to avoid removal. Leir said that laboratory testing of the implants implied they were of extraterrestrial origin.
Swelling from SVC syndrome is due to blood having trouble draining back to the heart, so the swelling involves the entire face, neck, and upper chest, is red, is worse in the morning after lying down for many hours, and may get better once the person is standing up for a while.
So whatever causes your face to sink in and causes black sores on your face, it is not your sinus. See an dermatologist to determine the black sores and its cause. Your sinuses are skin lined cavities in your skull at several different paired sites. Being enclosed in solid bones, they cannot sink in.