Naoaki Ichikawa1, Masahiro Narita2, Yuji Yamada3. 1. 1 Palliative Care Team, Nagano Red Cross Hospital , Nagano, Japan . 2. 2 Department of Anesthesiology, Nagano Municipal Hospital , Nagano, Japan . 3. 3 Division of Palliative Care, Aiwa Hospital , Nagano, Japan .