Fig. 3

Case2, 52 year-old woman, Invasive ductal carcinoma.a B-Mode Ultrasonography of right inner upper quadrant invasive ductal carcinoma; b Color-Doppler Ultrasonography of right inner upper quadrant invasive ductal carcinoma; c B-Mode Ultrasonography of the right axillary; dTraced two enhanced lymphatic vessel (arrows) after injecting the UCA; e Both lymphatic vessel (arrows) drain to the same enhanced SLN (asterisk); fUCA can continue to drain to subsequent enhanced lymph node (asterisk); g The body surface projection of enhanced lymphatic vessel and lymph node; hTraced two dyed lymphatic vessel (arrows) drain to the same enhanced SLN (asterisk) after injecting the MB before surgery, the lymphatic drainage pattern traced by CEUS was consistent with MB