This file is indexed.

/usr/lib/libITKIOGDCM-4.10.so is in libinsighttoolkit4-dev 4.10.1-dfsg1-1.1+b1.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/libITKIOGDCM-4.10.so.1