Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the most recent prior radiograph , the lung volumes are slightly increased . The small right pleural effusion has resolved . No significant pleural effusion , pneumothorax or focal consolidation concerning for pneumonia is detected . The pulmonary vasculature is not engorged . The cardiac silhouette is top normal in size but unchanged . The mediastinal contours are within normal limits . The trachea is midline . An ovoid radiopaque density with a lucent center is noted in the left upper paratracheal region measuring approximately 2 .2 x 1 .4 cm , which may represent a calcified thyroid nodule but is of uncertain etiology without prior cross - sectional studies for comparison and unchanged from recent prior . There is no evidence of free air beneath the right hemidiaphragm .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Resolved small right pleural effusion and pulmonary vascular congestion from ___ . 3 . 2 .2 x 1 .4 cm ovoid density to the left of the upper trachea may represent a calcified thyroid nodule , but is of uncertain etiology without prior cross - sectional studies for comparison . Consider thyroid ultrasound for further evaluation .