in cases of a pre-operatively diagnosed mediastinal tumour , but with no symptoms of its penetrating the vertebral canal via the intervertebral foramen , and with the surgeon suddenly discovering during anterio-lateral or lateral transpleural thoracotomy the tumor 's spur going deep into the intervertebral foramen then it is a modification of the operation involving an effective removal of the mediastinal-intravertebral newgrowth , as described in this report , is most appropriate .
C0025063
mediastinal tumour
C0025066
mediastinal