Left armpit subcutaneous metastasis of gastric cancer: A case report

Figure 1 Left armpit subcutaneous metastasis arising from primary gastric cancer.

Figure 2 Color Doppler ultrasound images. A and B: Initial color Doppler ultrasound images of the left axillary lump; C-F: Color Doppler ultrasound images of the left axillary lump after three months.

Figure 3 Pathological images of the axillary mass. A-C: Stomach tumor cells were detected by cell smear (A: HE staining, ×200; B: HE staining, ×400; C: HE staining, ×400); D-F: The tumor cells were positive for CK20 (D), PCK (E), and CDX-2 (F) (immunohistochemical staining, ×400).

Figure 4 Positron emission tomography computed tomography examination showed that a 6. 2 cm × 5.5 cm soft tissue mass was visible in the left axilla (arrow).