Unexpected Paratracheal Opacity Laura Núñez-García, María de los Ángeles Zambrano-Chacón, Felipe Villar-Álvarez

Tubular Opacity in the Lung Along a Bullet Trajectory Helvécio Grandinetti, Gláucia Zanetti, Edson Marchiori

Ground-glass Opacity Associated With Endobronchial Leech Zhong-Chuan Yang, Jiao Yang, Xu-Wei Wu, Xi-Qian Xing