What is the true topography of Antarctica?

Antarctica is an extension on its west side of a chain of volcanic islands and much of its "land mass is usually shown as projected with the following explanation:

"This is topographic map of Antarctica after removing the ice sheet and accounting for both isostatic rebound and sea level rise. Hence this map suggests what Antarctica may have looked like 35 million years ago, when the Earth was warm enough to prevent the formation of large-scale ice sheets in Antarctica"
https://commons.m.wikimedia.org/wiki/Atlas_of_Antarctica

By the wording above you have probably worked out that the climate change agenda has infected the issue.

But what does Antarctica look like without the projections as it stands currently under the ice?