"Grossly preserved" means it's all in one piece as far as one can tell by looking with the naked eye.
Grossly preserved refers to the overall physical appearance or condition of a specimen or tissue that is sufficient for visual examination without the need for a microscope or technical instruments. It suggests that the specimen is recognizable and retains its basic structure and characteristics. It is a term commonly used in medical and scientific fields to describe the macroscopic appearance of tissue samples.
Grossly preserved means that to the naked eye, it looks intact.
Gross means appearance without the aid of a magnifying instrument. An example of this is gross anatomy, which is a study of how the body looks without the aid of a microscope. Grossly maintained means that upon initial inspection it was maintained
pancreas grossly normal
Grossly tender means it obviously hurts when touched.
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Grossly benign means that to the naked eye, it does not appear dangerous.
Grossly unremarkable means there is nothing interesting to talk about, its normal.
I think you read the result incorrectly. "Grossly remarkable" doesn't make sense. "Grossly unremarkable" means there was no obvious abnormality.
Grossly unchanged means that the subject in question did not change on a scale that could be noticed with the naked eye.
When nothing has changed
Good
in an obvious and unacceptable manner. Can be in a disgusting and coarse manner