TABLE 3: Spatial distribution of CT findings.

Distribution	Frequency n (%)
Craniocaudal predominance
Lower lobes	22 (45.9%)
Middle lobe	6 (12.5%)
Upper lobes	5 (10.4%)
No predominance	15 (31.2%)
Anteroposterior dominance
Posterior lung aspect	25 (52%)
No predominance	23 (48%)
Axial predominance
Peripheral	30 (60.2%)
Central	1 (2.1%)
No predominance	17 (35.4%)
Laterality
Bilateral	42 (87.5%)
Unilateral	6 (12.5%)
Distribution	Frequency n (%)
Symmetry
Symmetric	33 (68.9%)
Right predominance	13 (27%)
Left predominance	2 (4.1%)
Number of affected lobes
1	3 (6.3%)
2	4 (8.3%)
3 or more	41 (85.4%)
Extent of pulmonary involvement
Less than 25%	24 (50%)
25-50%	17 (35.3%)
50-75%	6 (12.6%)
More than 75%	1 (2.1%)