1 Department of Radiology, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi Mizuho‑cho Mizuho‑ku, Nagoya, 467-8601, Japan. ykiooster@gmail.com.
2 Department of Radiology, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi Mizuho‑cho Mizuho‑ku, Nagoya, 467-8601, Japan.
3 Department of Radiology, Nagoya City West Medical Center, Nagoya, Japan.