PREOPERATIVE DIAGNOSIS: , Severe post thoracotomy pain.,POSTOPERATIVE DIAGNOSIS: , Severe post thoracotomy pain.,PROCEDURE: , Intercostal block, left.,PROCEDURE DETAIL: , With the patient in the ICU bed who was having a large amount of intravenous narcotic to control his thoracotomy pain, after obtaining informed consent, his left posterior chest was prepped and draped in the usual fashion and Marcaine 0.025% was injected in the spaces four to eight sequentially.  A total of 40 mL of Marcaine was used.,The patient tolerated the procedure well and experienced immediate benefit out of the procedure.pain management, thoracotomy pain, intercostal block, marcaine, thoracotomy, intercostal,