Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is an ill - defined opacity in the lingula and left upper lobe in a paramediastinal location which obscures the left heart border and is significantly worsened compared to ___ . Another fusiform opacity in the right mid lung with a surgical clip projecting over the opacity which corresponds to a known lesion along the minor fissure seen in previous CTs . There is no pleural effusion or pneumothorax . Cardiac size is normal .
    OUTPUT:
    
Findings compatible with a left lingular and upper lobe pneumonia . However , superimposed recurrence of lung cancer can not be excluded with this appearance and reassessment is recommended after treatment to ensure resolution .