Question juridique clé
Whether the appeal met the formal requirements of Art. 42 BGG, especially a proper request and reasoning
Solution extraite
The appeal did not satisfy the minimum formal requirements because it lacked a valid request and did not engage concretely with the cantonal court's reasoning.
Motifs extraits
A federal appeal must contain requests and reasoning showing how the challenged decision violates law. The appellant failed to address the key finding on natural causation and did not show any legal error or relevant factual error.