後期 こうき高齢 こうれい しゃ医療 いりょう制度 せいどでした
kō kikōreishairyōseidodeshita

Noun
Desu Copula

The polite past form of 後期高齢者医療制度

1. It was the late-stage elderly medical system.; It was the medical system for the very elderly.

Past/Perfective
Polite