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. 2022 Aug 26;42(7):1897–1911. doi: 10.1148/rg.220045

Figure 8.

Type 3 lymph node in a 70-year-old woman with right axillary swelling and pain 1 month after receiving the second dose of the Moderna SARS-CoV-2 vaccine in the right arm. In 2005, she underwent left partial mastectomy and chemoradiation therapy for invasive lobular carcinoma. (A) Bilateral MLO mammograms show lymphadenopathy in the right axilla (arrow) and post–partial mastectomy changes in the superior left breast (arrowhead). (B) US image of the right axilla shows a type 3 lymph node (arrow), with cortical thickness of 3–4 mm. The node was considered reactive in the setting of recent COVID-19 vaccination (BI-RADS 2).

Type 3 lymph node in a 70-year-old woman with right axillary swelling and pain 1 month after receiving the second dose of the Moderna SARS-CoV-2 vaccine in the right arm. In 2005, she underwent left partial mastectomy and chemoradiation therapy for invasive lobular carcinoma. (A) Bilateral MLO mammograms show lymphadenopathy in the right axilla (arrow) and post–partial mastectomy changes in the superior left breast (arrowhead). (B) US image of the right axilla shows a type 3 lymph node (arrow), with cortical thickness of 3–4 mm. The node was considered reactive in the setting of recent COVID-19 vaccination (BI-RADS 2).