Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right - sided Port - A - Cath is seen terminating at the cavoatrial junction . The lungs bilaterally demonstrate severe , extensive rounded nodular densities . The cardiac silhouette can not be evaluated on this exam . There may be small bilateral pleural effusions . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Extensive rounded nodular densities seen throughout the lungs bilaterally , left greater than right , which may be secondary to infection , however pulmonary metastatic disease can not be excluded . A dedicated CT of the chest is recommended for further evaluation .