가슴에 큰 통증이 있기 전까지는 정상적인 생활이 가능했기 때문에 몸의 이상을 전혀 의심하지 못했다고 합니다.
Until there was a big pain in his chest, he could not have any doubts about his body's abnormality because he was able to live a normal life.