Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are diffusely increased interstitial markings with peribronchial coughing , suggestive of atypical pneumonia . A more focal area of heterogeneous opacity is present in the left mid lung . No pneumothorax or pleural effusion . Heart size and cardiomediastinal contours are normal .
    OUTPUT:
    
Bilateral peribronchial coughing and subtle interstitial opacity , suggestive of atypical pneumonia . Followup chest radiographs in ___ weeks is recommended to evaluate a more focal area of heterogeneous opacity in the left mid lung .