Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . The right middle lobe and right lower lobe are collapsed , resulting in opacification at the right base and obscuration of the right hilus . The left lung is clear . A small left pleural effusion is present . The heart size is difficult to assess due to parenchymal abnormalities . There is no pneumothorax .
    OUTPUT:
    
Right middle lobe and right lower lobe collapse . Findings were communicated with ___ , nurse for the patient , by Dr .___ ___ telephone at time of discovery at 11 :15 a .m . on ___ .