Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are right mid and lower lung infiltrates , minimally improved at right costophrenic angle . Findings suggest pneumonitis . Unilateral edema or other process less . No infiltrates in the left lung . Small left pleural effusion , similar . Tiny right pleural effusion , similar . Increased heart size . Shallow inspiration . Sternotomy . There is cardiac pacemaker . Advanced degenerative arthritis bilateral shoulders , with osseous intra-articular loose bodies , stable .
    OUTPUT:
    
Right lung infiltrates , minimally improved . Small pleural effusions , similar . Increased heart size .