/usr/lib/libvtkgdcm.so.2.0 is in libvtkgdcm2.0 2.0.18-7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libvtkgdcm.so.2.0.18
/usr/lib/libvtkgdcm.so.2.0.18