Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographdemonstrates hypoinflated lungs with crowding of vasculature . A heterogeneous right lower lobe opacity is noted . Subtle blunting of the right costophrenic angle is consistent with a new small right pleural effusion . No left pleural effusion . No pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . A right porta cath tip is deep in the right atrium , unchanged since previous examination .
    OUTPUT:
    
1 . Heterogeneous right lower lobe opacity is most consistent with atelectasis 2 . New small right pleural effusion . 3 . Right porta cath tip deep in right atrium , unchanged since ___ .