Figure 1.

Chest X-ray, CT chest and PET/CT images. A. A chest x-ray (Frontal view) showing a huge mediastinal mass with evidence of mediastinal widening. B. CT scan of the chest showing 3 anterior mediastinal masses with the largest one being 16 cm × 10 cm. C. PET image revealing a very large anterior mediastinal mass and a diffuse liver involvement along with abnormal activity in both humeri, femura, and pelvic bones. D. Fusion PET/CT image showing a very large anterior mediastinal mass extending across the mediastinum from left to right and superiorly into the supraclavicular area. A diffuse involvement of the liver along with abnormal activity in both humeri, femura, and pelvic bones were also noticed.