Fig. 4

Characteristics of the lesion site of plastic bronchitis in children with pneumonia. A The distribution of plastic casts in different lung lobes was shown in squares. Each square in the horizontal row represented the same lung lobe and was marked with a color. B The distribution of cases with plastic casts in a single lung lobe and multiple lung lobes was shown in a square shape and presented in a bar chart. C The frequency of plastic casts and necrosis of each lung lobe in the cases was counted and displayed in a bar chart