| There are four pairs of biramous cephalic appendages, which differ only very slightly from the appendages of the thorax. |
| Internally, the thorax houses the large muscles that control the wings and legs. |
| A metastatic work-up, including a bone scan and a computed tomographic scan of the thorax and abdomen, was negative. |
| A roentgenogram of the thorax revealed a large mediastinal mass, suggestive of lymph node enlargement. |
| Pleuropulmonary blastoma is a rare, primitive primary neoplasm of the thorax in young children. |
| It has three pairs of true legs on the thorax and five pairs of fleshy prolegs on the abdomen. |
