Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An opacity overlying the right costophrenic angle not confirmed on lateral view most likely represents overlying soft tissue however pneumonia can not be excluded in the current clinical setting . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Overlying opacity in the right costophrenic angle most likely represents overlying soft tissue however pneumonia can not be excluded .