Fig. 2From: Impact of bronchoalveolar lavage lymphocytosis on the effects of anti-inflammatory therapy in idiopathic non-specific interstitial pneumonia, idiopathic pleuroparenchymal fibroelastosis, and unclassifiable idiopathic interstitial pneumoniaCorrelation between BAL lymphocytes and interstitial cell infiltration on histopathological examination. BAL bronchoalveolar lavage. In the whole population, a significant positive correlation is apparent between BAL lymphocytes and interstitial cell infiltration (r = 0.231, P for trend = 0.003)Back to article page