Table 2.

Fissure Completeness Score Compared to Chartis Measurement

FCS		CV Positive		CV Negative
		Median	Range	Median	Range
Right major fissure		94.8	60.2–100	98.9	91.1–100
Right upper lobe fissure		83.4	23.4–76.6	97.2	25.1–100
Left major fissure		91.4	49.7–100	100	82.9–100

Abbreviations: FCS, fissure completeness score; CV positive, presence of collateral ventilation; CV negative, absence of collateral ventilation.