First, I should outline the key points. The article should probably start with an overview of Radiant DICOM viewer, maybe its legitimate uses, why people might want to crack it. Then talk about the prevalence of cracks for medical software, how Reddit is used as a platform to distribute or discuss these cracks. I should mention the legal and ethical implications, maybe some user experiences from Reddit. Also, the technical aspects of how cracks work, but I'm not sure how much detail is needed there. Need to highlight the risks involved in using cracked software—like malware, legal consequences, data security issues. Maybe include some statistics or real-life examples if possible.