mediastinal bulk disease was defined as either a maximal mediastinal width of 7.5 cm or more , or a ratio of the maximum width of mediastinal disease to the maximum chest diameter of greater than or equal to 0.33 , or a ratio of the maximum width of mediastinal disease to the chest diameter at t5-t6 greater than or equal to 0.33 , or as an area of mediastinal disease greater than or equal to 100 cm2 .
C0817096
chest
C0025061
of mediastinal