Fig. 2From: Mediastinal lymph node enlargement in idiopathic pulmonary fibrosis: relationships with disease progression and pulmonary function trendsKaplan-Meyer curves of mortality for patients with (LNE+) or without (LNE -) mediastinal lymph node enlargement (left) and for patients stratified according to the number of mediastinal enlarged lymph nodes (right). P values were obtained via log-rank testBack to article page