A 12‐year‐old boy with a mass located at the left parietal lobe involving the left lateral ventricle. Issue 2 (25th September 2015) - Homma, Taku; Fukushima, Takao; Yoshino, Atsuo; Kusumi, Yoshiaki; Sugitani, Masahiko; Komori, Takashi; Sasaki, Atsushi