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Table 5 Categorization of malignant lung nodules (lung-RADS score: 4A, B, and X). “Group II” (no. = 114 nodules)

From: Impact of lung-RADS classification system on the accurate diagnosis of pulmonary nodular lesions in oncology patients

RADS score Size Lesion density Lesion no. % for all lesions Radio-diagnosis
4A ≥ 8 to < 15 mm Solid 9 4.5% Malignant
≥ 6 mm + solid comp. measuring ≥ 6–< 8 mm Part solid 7 3.5%
Measuring 9.3 mm Endo-bronchial 1 0.5%
4B ≥ 15 mm Solid 32 16% Malignant
With a solid component measuring > 8 mm. Part solid 14 7%
4X
4A/4Bwith
With Other solid lesions 29 14.5% Malignant
Speculation 11 5.5%
Lymphadenopathy 4 2%
Growth on follow-up 7 3.5%