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CT and 4DCT Analysis: Volume analysis 1/2:
Volume variations
during a breathing cycle expressed in
% of the true
volume
8
0
10
20
30
40
50
60
70
Average 0% 10% 20% 30% 40% 50% 60% 70% 80% 90%
15mm/3s
15mm/6s
25mm/4s
Expiration
(%
)
Breathing phases
Small sphere