Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Diffuse micronodularity is consistent with patient 's known LCH . However , since ___ , the interstitial abnormality has increased with new right basilar opacity and perihilar fullness . The heart appears slightly larger . Small bilateral pleural effusions are similar . The findings suggest mild heart failure superimposed on patient 's known chronic lung disease / LCH . No pneumothorax . Mediastinal silhouette is normal .
    OUTPUT:
    
The findings suggest mild cardiac decompensation superimposed on patient 's known LCH . Supervening infection , particularly at the right lung base can not be excluded . Recommend repeat radiograph after treatment .