Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Evaluation is limited due to the patient 's body habitus . Lung volumes are low causing bronchovascular crowding . In comparison to the prior examinations , there may be faint increased opacity in the retrocardiac region . In the appropriate clinical context , this may represent pneumonia . There is no pleural effusion or pneumothorax . Again noted is a right upper lobe nodule . Adjacent to this is a vague opacity , that may represent pneumonia .
    OUTPUT:
    
Bibasilar opacities and right upper lobe opacity in the appropriate clinical context may represent multifocal pneumonia . Follow - up examination in ___ weeks is recommended to document resolution .