Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Rounded opacity at the right lung base does not silhouette out the diaphragm and corresponds to the right lower lobe on the lateral projection , most likely a right lower lobe pneumonia . Given the position , pulmonary infarction should be considered as well , and clinical correlation is advised . There is a suggestion there may be a similar smaller area at the left lung base . There is no pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Rounded opacity at the right lung base is most likely a right lower lobe pneumonia . Given peripheral location , consideration should be given to pulmonary infarction as well .