RIS
Radiology Information System — scheduling, ordering, and reporting system for radiology. Typically integrated with PACS (image storage / viewing) and the hospital EHR. The non-image-data side of radiology workflow.
Why it matters to buyers: Core to radiology workflow — procedure ordering, scheduling, reporting (voice / dictation), billing, peer review. Often bundled with PACS in vendor offerings.
Why it matters to engineers: Modality Worklist queries RIS; voice-reported findings return to RIS / EHR via HL7 or FHIR.