Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Elevation of the right hemidiaphragm with the most recent exam but is new since ___ . Linear right basilar opacity seen medially is likely due to atelectasis and is similar to most recent prior . Linear left basilar opacity is likely atelectasis vs scar . There is no new consolidation . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities detected .
    OUTPUT:
    
Elevated right hemidiaphragm which is new since ___ . Additional imaging is suggested as this could represent subdiaphragmatic process . Subpulmonic effusion is also possible although the configuration makes this less likely .