The viscera were not removed. The usual scar made by the embalmer's knife is not there.
5 seconds sound clip from the The Mummy (1932) movie soundboard.
You can hear this line at 00:03:01.160 in the Blu-ray version of the movie.
Quote context
[...]
- We didn't come to dig in Egypt for medals.
- Much more is learned from studying bits of broken pottery than from all the sensational finds.
- Our job is to increase the sum of human knowledge of the past, not to satisfy our own curiosity.
- That's all very true, but after all, we're human. And a find like this... Well, how can you wait?
- The viscera were not removed. The usual scar made by the embalmer's knife is not there.
- I had a good look at him when I photographed him. Never saw a mummy like that.
- Neither, I imagine, has anyone else.
- Looks as though he died in some sensationally unpleasant manner.
- The contorted muscles show that he struggled in the bandages. Buried alive.
- Imhotep, High Priest of the Temple of the Sun at Karnak.
[...]