Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is no focal consolidation concerning for pneumonia . Focal opacity in the left mid lung , unclear if overlap of vascular structures or pulmonary nodule . Repeat chest radiograph in shallow obliques or non-urgent chest CT suggested for further evaluation . Cardiomediastinal and hilar contours are normal . There are bilateral vascular prominence but no overt edema . No pleural effusions are detected .
    OUTPUT:
    
1 . No pneumonia . 2 . Focal opacity in the left mid lung , please consider chest shallow oblique radiographs or obtain a non-urgent chest CT .