Question juridique clé
Whether a revision ground under Art. 17(1) ATSG existed justifying cancellation of the disability pension
Solution extraite
The finding of a relevant improvement in rheumatological findings was defensible; no untenable assessment of evidence was shown.
Motifs extraits
The Federal Supreme Court held that the cantonal court relied on the regional medical service report and that the challenged clarification by the RAD doctor did not unlawfully alter the substantive assessment. The complaint failed to show a legally relevant defect in the finding of improved health.