Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size enlarged . There is small right pleural effusion , similar compared with prior exam . More prominent elevation of the right hemidiaphragm compared with ___ , may be from shallower inspiration , there may be component of subpulmonic effusion . Borderline pulmonary vascularity . Cardiac pacemaker . Linear atelectasis left lower lung . Degenerative arthritis of the right shoulder . Arterial calcifications . Stable mild right basilar opacity , likely atelectasis . Thoracic kyphosis .
    OUTPUT:
    
There is a right pleural effusion , which is similar compared with ___ , with suggestion of sub pulmonic component given appearance of the right hemidiaphragm on ___ . Decubitus radiograph would be helpful . Mild right basilar opacity is similar , more suggestive of atelectasis than pneumonitis . Heart is enlarged .