Lesions were located as follows: 40.96% in the lower or upper paratracheal region; 27.96% in the hilar region; 26.55% in the subcarinal region; and 4.53% in the interlobar, lobar, and subsegmental regions.
Dentro de las características ultrasonográficas de los linfonodos, el 35% presentó forma oval, un 16,6% presentó forma triangular y el 51,41% presentó márgenes regulares.