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. 2020 Feb 18;11:27. doi: 10.1186/s13244-019-0834-3

Fig. 11.

Fig. 11

Mammography and US images show primary male breast cancer. a, b Medio-lateral oblique mammograms show invasive ductal carcinoma of the breast. Lobulated subareolar masses with high density, without microcalcification are seen (red and blue arrows). a Grade 2 invasive ductal carcinoma. b Grade 3 invasive ductal carcinoma with axillary lymph node metastasis (yellow arrow) and skin thickening (green arrow). US images of grade 2 (c) and grade 3 (d) invasive ductal carcinomas reveal irregular shape and indistinct margins of the masses