Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A vague opacity is seen at the left lung base on the frontal view with no clear correlate on the lateral view . There is no pleural effusion , or pneumothorax . Multiple calcified granulomas are seen throughout the lungs bilaterally . The hilar and mediastinal contours are normal . The heart size is normal .
    OUTPUT:
    
Vague opacity at the left lung base , best seen on the frontal view without a clear correlate on the lateral view . Given the lack of infectious symptoms , a dedicated chest CT is recommended for further evaluation to exclude malignancy .