The diagnosis of mediastinal lymphoma by thoracotomy.
D006801:Humans; D008223:Lymphoma / Q000175:diagnosis*; D008479:Mediastinal Neoplasms; D008482:Mediastinum; D013908:Thoracotomy; D013909:Thorax / Q000601:surgery*
LYMPHOMA/diagnosis; MEDIASTINUM/neoplasms; THORAX/surgery