Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable view of the chest . Lung volumes are markedly low limiting assessment . Additionally , the patient 's chin projecting over the superior mediastinum and lung apices limits assessment . There is chronic elevation of the left hemidiaphragm . The left upper lung appears grossly well aerated . There is significant opacification of the right hemi thorax which is concerning for pneumonia given the presence of subtle air bronchograms . A subjacent right effusion is suspected . Heart size can not be assessed . Prominence of the mediastinum is again noted . Chronic right clavicle deformity noted . No acute bony abnormalities .
    OUTPUT:
    
Right hemi thorax opacity is concerning for pneumonia .