Fig. 1
From: Appendicitis caused by the metastasis of HER2-positive breast cancer
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40792-016-0235-5/MediaObjects/40792_2016_235_Fig1_HTML.gif)
The images and surgical specimens obtained before the patient developed acute appendicitis. a Breast tumor on mammography, US, and MRI at the first visit. b Axillary lymph nodes on MRI at the first visit. c The surgical specimen obtained at mastectomy. d Right hydronephrosis and swollen para-aortic lymph nodes on CT and PET. e Left hydronephrosis and bone metastases on CT, PET, and MRI. f Right femoral bone metastasis after the start of pertuzumab, trastuzumab, and docetaxel therapy on MRI