Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is subtle nodular increased interstitial markings bilaterally which could be due to an atypical infection . No focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Subtle nodular opacities , right more so than left lung , could be due to atypical infection . Suggest comparison with any prior studies , follow - up chest radiograph when acute symptoms subside .