Figure 4From: Clinical significance of incidental thyroid nodules identified on low-dose CT for lung cancer screeningA 49-year-old woman with an adenomatous goiter. (A) Low-dose helical CT scan demonstrated a 21 mm hypodense nodule (arrow) without calcification in the right thyroid lobe. (B) Transverse US image of the right thyroid lobe showed a mixed solid and cystic nodule (calipers).Back to article page