Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are fully expanded and clear . There is no focal consolidation , effusion , or pneumothorax . Non-physiologic shape of the mediastinum has been stable since at least ___ . There is no vascular engorgement or pulmonary edema . Top - normal heart size is new .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Top - normal heart size without vascular engorgement or cardiac decompensation .