Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is a stable . The aorta is tortuous . New retrocardiac opacities associated with small effusion , corresponds to pneumonia , given the clinical history . There is bronchial cuffing in the hila bilaterally . There is mild biapical pleural thickening . There is no pneumothorax . The osseous structures are unremarkable
    OUTPUT:
    
Left lower lobe pneumonia followup in 6 weeks is recommended after treatment . Small left pleural effusion Stable cardiomegaly .