Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a large focal opacity centered in the left lung lingula . The opacity appears larger than on a chest x-ray from ___ , but is in keeping with findings on a chest CT scout film from ___ . Compared to the previous chest x-ray , there is new linear atelectasis in the right mid zone and a new small right pleural effusion , with a small amount of associated parenchymal opacity . Heart size is grossly unchanged , without frank cardiomegaly . The lungs are otherwise grossly clear , without other focal opacities , CHF or left - sided effusion . No pneumothorax detected . Aside from mild degenerative changes in the thoracic spine . Bony structures are grossly unremarkable .
    OUTPUT:
    
1 . Large opacity in the left lingula consistent with known masslike consolidationsseen on previous x-rays and CTs , but with interval enlargement compared with ___ chest x-ray . The most likely differential is a progressive organizing pneumonia or aggressive fungal infection . Neoplasm could also account for this appearance , but is considered less likely given relatively rapid progression . The patient has apparently undergone transbronchial biopsy of this lesion . Please see biopsy results for further assessment . 2 . New small right pleural effusion with small area of focal opacity adjacent to it . This is new compared with the ___ radiograph and appears to progressed slightly compared with the ___ CT scan . Attention to this area on followup films is recommended to exclude developing new focus of infiltrate or progressive effusion .