The best replacement for empyema is abscess.

The best alternatives to empyema are rated as following:
★★★★★  abscess
★★★★  pleural effusion
★★★  emphysema
★★★  parapneumonic effusion
★★★  complicated parapneumonic effusion
★★  pyothorax
★★  lung abscess
★★  loculated effusion
★★  effusion
★★  chylothorax
★  mucocele
★  exudative effusion
★  abscess brain
  hemothorax

Your alternative for empyema is not listed? Suggest!
Speaking about empyema, one probably shouldn't forget about decortication.

Other search terms related to empyema and their ratings are:
★★★★★ decortication
★★ bronchopleural fistula
★ pleural effusion
thoracotomy
You have in mind a companion for empyema and it is not yet here? Propose!



Google Trends

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empyema
abscess
pleural effusion