Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ICD biventricular pacing device is unchanged in position . There remains no evidence of pneumothorax . Heart is moderately enlarged . Pulmonary vascularity is normal , and lungs appear unchanged with persistent mild right upper lobe volume loss and a cluster of reticular and nodular opacities adjacent to the elevated right minor fissure , which appears similar to ___ chest x-ray . There are no pleural effusions or acute skeletal findings .
    OUTPUT:
    
1 . ICD biventricular pacing device placement with no pneumothorax . 2 . Right upper lobe volume loss with associated clustered reticular and nodular opacities adjacent to the minor fissure . As suggested on the ___ chest x-ray report , a CT of the chest may be helpful for further characterization of these findings . Dr . ___ was telephoned with these findings and recommendation on ___ at 9 :45 a .m . at the time of discovery .