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There is a subcutaneous collection in the right proximal-mid third leg. It is located on the anterolateral side. It abuts fascia. There are mobile, tiny internal echoes. There are a few avascular septa with fat lobules. There is a thin avascular capsule (< 2 mm) around most of the lesion. However, there is no capsule on the medial side of the lesion resulting in a few small (< 20 mm) unencapsulated collections. The approximate size of the lesion is 145 (craniocaudal) x 76 (transverse) x 19 mm (anteroposterior) and a volume of about 109 mL. The adjacent subcutaneous fat is echogenic. The underlying muscles reveal a normal echopattern.