Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post right upper lobectomy with unchanged right hilar opacity along the resection margin , grossly similar compared with the prior CT . Heart size is moderately enlarged , increased compared to the previous chest radiograph . Pulmonary vasculature is not engorged . Mediastinal contour is similar . New left basilar opacity is demonstrated with a small to moderate size left pleural effusion . No pneumothorax is identified . There is diffuse demineralization of the osseous structures with multiple compression deformities re - demonstrated , not substantially changed from the previous CT .
    OUTPUT:
    
New small to moderate size left pleural effusion and left basilar opacity concerning for pneumonia . Right hilar opacity along the resection margin remains concerning for disease recurrence , better assessed on the previous CT .