Teen girl with suspected mass in the distal third of the medial surface of the right shoulder is directed to the ultrasound.
At ultrasound at a depth of about 1.5 cm there is a hypoechoic lesion about 1.5 cm in diameter, with blood flow at DPD(lymph node? marked as 1 at image). Near this lesion visualized a tubular structure looks like a vein thrombosis (recanalization? marked as 2 at image).