Chest wall mass in a 15 year old female patient

History

Fifteen year old with painless left chest wall mass of 3 year history, investigated by a chest radiograph (Fig. 1) and MRI (Fig. 2a–d).

Fig. 1

PA chest radiograph

Fig. 2

MRI of thorax; a axial proton density; b coronal T1-weighted; (c) coronal short tau inversion recovery (STIR); d sagittal T2-weighted