Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate clear , well - expanded lungs . A fiducial and nodular opacity is again seen in the left mid lung . Minimal left base atelectasis is minimally increased . Cardiac silhouette remains moderately enlarged Goiter is again noted . There is no edema .
    OUTPUT:
    
1 . Left lung nodule with fiducial better evaluated by CT . 2 . Moderate cardiomegaly . 3 . Left basilar atelectasis .