Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal portable views of the chest were obtained . A new moderate - sized left pneumothorax is present without evidence of tension . Generalized increased opacity of the left lung , greater than expected for the degree of volume loss , may represent lavage fluid , although post - procedural hemorrhage is not excluded . A large left hilar mass is similar in size to ___ , allowing for differences in modality . Linear opacities at the right lung base are compatible with atelectasis . No pleural effusion is seen . The cardiomediastinal silhouette is stable . No radiopaque foreign body .
    OUTPUT:
    
1 . New moderate - sized left pneumothorax without radiographic evidence of tension . 2 . Diffusely increased opacity of the left lung is greater than expected for the degree of volume loss , and may represent bronchoalveolar lavage fluid or post - procedural hemorrhage . 3 . Large left hilar mass . Findings were communicated via phone call by ___ to Dr . ___ at 16 : 10 p .m . on ___ , one minute after discovery of the findings at 16 :09 p .m .