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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%