Ultrasound vs. CT in detecting chest wall invasion by tumor: a prospective study. - Bandi V; Lunn W; Ernst A; Eberhardt R; Hoffmann H; Herth FJ; Bandi, Venkata; Lunn, William; Ernst, Armin; Eberhardt, Ralf; Hoffmann, Hans; Herth, Felix J F (CHEST, 2008)