Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a large left pleural effusion which may be at least partially loculated , with likely underlying atelectasis . Underlying consolidation for pulmonary mass not excluded . No right pleural effusion . Subtle sub cm nodular opacities projecting over the right upper to mid lung could represent vessels on - end but small pulmonary nodules are not excluded . No priors for comparison . Suggest non urgent chest CT for further evaluation . The cardiac and mediastinal silhouettes are grossly unremarkable .
    OUTPUT:
    
There is a large left pleural effusion which may be at least partially loculated , with likely underlying atelectasis . Underlying consolidation for pulmonary mass not excluded . No right pleural effusion . Subtle sub cm nodular opacities projecting over the right upper to mid lung could represent vessels on - end but small pulmonary nodules are not excluded . No priors for comparison . Suggest non urgent chest CT for further evaluation .