In some cases, an appellate court may review a lower court decision "de novo" (or completely), challenging even the lower court's findings of fact.
ɪn sˌʌm kˈeɪsᵻz, ɐn ɐpˈɛlət kˈoːɹt mˈeɪ ɹᵻvjˈuː ɐ lˈoʊɚ kˈoːɹt dᵻsˈɪʒən "də nˈoʊvoʊ" ɔːɹ kəmplˈiːtli, tʃˈæləndʒˌɪŋ ˈiːvən ðə lˈoʊɚ kˈoːɹts fˈaɪndɪŋz ʌv fˈækt.