Probable nodule in the left lower back. There is an ovoid hypoechoic cystic lesion in the superficial subcutaneous tissue of the left lateral back measuring 0.6 x 0.3 x 0.4 cm. The lesion does not demonstrate internal vascularity or internal echoes.
Cystic lesion in the left back may represent a dermoid cyst, sebaceous cyst, or resolving hematoma.