Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral low lung volumes . Elliptical opacity with sharp medial margin projecting over the right mid lung is concerning for a pleural mass with no obvious rib abnormalities . CT chest would be the next imaging modality for further evaluation . Question of increased right upper lobe opacity confirms concern for pleural mass and can also be evaluated with CT chest . Otherwise , significant improvement in right lower lobe opacity lungs are more clear compared to ___ . No pneumothorax or pleural effusion . Chronic elevated left hemidiaphragm with associated atelectasis of the left lower lobe is noted . The cardiac and mediastinal silhouettes are normal .
    OUTPUT:
    
Right mid lung opacity concerning for a pleural mass with no obvious rib abnormalities . CT chest would be the next imaging modality for further evaluation and can also be used to evaluate possible increased right upper lobe opacity . Significant improvement in right lower lobe opacity