In the DICOM spec one of the Transfer Syntaxes is 1.2.840.10008.1.2.4.70
defined as JPEG Lossless, Nonhierarchical, First- Order Prediction (Processes 14
I had a similar problem and I solved using @JohnnyQ hints in this way:
conda install -n myenv -c clinicalgraphics gdcm
conda install -n myenv -c anaconda pillow
Also you can use pip install ...
to install gdcm and pillow.
Take a look at https://pydicom.github.io/pydicom/stable/image_data_handlers.html