Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate normal cardiac size . The right heart border is somewhat obscured , without definite consolidation visualized . A 3 .4 cm mass projecting over the left hilum corresponds to a necrotic hilar mass / lymph node which was present on CT chest from ___ . Narrowing of the trachea and prominence of the paratracheal soft tissues with rightward deviation of the upper trachea appears unchanged compared to CT chest , allowing for differences in technique . There is no pleural effusion or pneumothorax . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
1 . Narrowed trachea with increased paratracheal tissues resulting in rightward deviation of the upper trachea , which appears unchanged compared to CT chest from ___ , allowing differences in technique . 2 . Obscured right heart border without definite focal consolidation . An early pneumonia can not be excluded , in the right clinical setting . 3 . A left hilar mass was present on CT from ___ . The left lower lobe mass is better evaluated on CT .