Table 6. Distribution of small nodular opacities in chest radiograph (n = 60).

Size of opacity	Primary small opacity		Secondary small opacity
	n	%	n	%
p	35	58.3	31	51.7
q	14	23.3	16	26.7
r	6	10	7	11.7
t	3	5	1	1.7
u	2	3.3	5	8.3
Total	60	100	60	100
Zone of involvement	Right side		Left side
	n	%	n	%
One zone	10	17.5	9	16.4
Two zones	13	22.8	16	29.1
Three zones	34	59.6	30	54.5
Total	57	100	55	100