Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate the lungs are well - expanded , although nodular opacity is seen projecting over the anterior aspect of the left fourth rib . There is no pneumonia , pulmonary edema , pneumothorax or pleural effusion . The cardiomediastinal silhouette is unchanged . A right - sided Port - A - Cath is unchanged in position , terminating at the cavoatrial junction .
    OUTPUT:
    
Nodular opacity in the left lung could represent metastatic disease given the clinical history of cancer , and a dedicated chest CT is recommended for further characterization . No pneumonia is seen .