Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette is within normal limits . No CHF , focal infiltrate , pleural effusion , or pneumothorax is detected . There is no pleural effusion or pneumothorax . Hazy density over both lower lungs relates to the patient 's bilateral breast prostheses . The upper portion of an IVC filter and question a balloon from a G - tube are noted . Compared with ___ , the tracheostomy tube and left subclavian PICC line have been removed . The previously seen left base left lung base opacity has resolved .
    OUTPUT:
    
No evidence of pneumonia .