Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi erect frontal image of the chest . There has been interval placement of right IJ line , which terminates at the cavoatrial junction . The lungs are well expanded . There are heterogeneous peribronchial markings in the lungs bilaterally , which could represent an atypical pneumonia or less likely pulmonary edema from heart failure . The lungs are otherwise clear . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
1 . Right IJ terminating in the superior cavoatrial junction . 2 . Heterogeneous peribronchial markings in the lungs bilaterally , which could represent an atypical pneumonia or less likely pulmonary edema from heart failure . Recommend clinical observation for development of characteristic symptoms .