Table 4 An overview of the scoring system for tomosynthesis presented by Vult von Steyern et al. [5], adapted from the original publication

Scoring area

Overinflation: both lungs

Other components: 4 quadrants

Increased lung volume

Overinflation, overall impression

0–4, Range 0−4

Bronchial wall thickening

Each quadrant 0−2−4, Range 0−16

Bronchiectasis

-Number of bronchiectasis

Each quadrant 0–4, Range 0–16

-Appearance of widest bronchiectasis

Each quadrant 0–4, Range 0−16

Mucus plugging

-Large mucus plugs

Each quadrant 0–4, Range 0–16

-Small mucus plugs

Each quadrant 0–4, Range 0−16

Parenchyma

Atelectasis or consolidation

Each quadrant 0–4, Range 0−16

Total score

Maximum 100 (sum of subscores)