Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC tip projects over the upper SVC . Nodular opacity projecting over the left lung base is felt to represent nipple shadow . Vague opacity projecting in the left mid lung overlying the anterior left fourth rib corresponds to subpleural radiation changes on prior CT . The lungs are otherwise clear without consolidation , effusion , or edema . Cardiomediastinal silhouette is within normal limits . Surgical clips project over the left breast . Oblong calcific densities are also seen in that region , unchanged and are within the breast tissues on prior CT .
    OUTPUT:
    
No acute cardiopulmonary process . Right PICC tip projecting over the upper SVC .