Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The chin overlies the upper most portion of the chest . Heart size is at the upper limits of normal . No CHF , focal consolidation , or effusion is detected . An area of focal opacity at in the lung base posteriorly , seen on the lateral view , likely represents an artifact due to overlap of vascular and osseous shadows . Within the limits of plain film radiography , no hilar or mediastinal lymphadenopathy is detected . No pneumothorax is identified . There is suggestion of right convex curvature centered in the mid thoracic spine .
    OUTPUT:
    
Doubt acute pulmonary process .