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Table 1 Classification of radiologic findings

From: The value of routine chest radiographs after minimally invasive cardiac surgery: an observational cohort study

Minor findings1 Major findings2
Minimal pleural effusion Severe pleural effusion
Small atelectasis Large atelectasis
Minimal pulmonary congestion Severe pulmonary congestion
Small consolidation Large consolidation
  Malposition of invasive devices
  Widened mediastinum
  Large subcutaneous emphysema
  Haemothorax
  Pneumothorax
  Pneumomediastinum
  Pneumopericardium
  Free air under diaphragm
  1. 1Involvement of less than one lobe, and/or judged `normal postoperative’.
  2. 2Involvement of one lobe or more, and/or judged `no normal postoperative finding’.