ASC I/O
========

Summary
-------
Import or export ``AnatomicalStructureCollection``.
Either export to the ImFusion file format (.imf) or export to a zip folder.

Input
-----
- ``AnatomicalStructureCollection`` or ``ASCSet`` (for export); file path (for import).

Output
------
- Imported ``AnatomicalStructureCollection``/``ASCSet`` into the scene or exported file on disk.