Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without evidence of focal consolidation . There is no pleural effusion , pulmonary edema , or pneumothorax . Again seen is a left pectoral pacemaker with transvenous leads in unchanged position . Mild cardiomegaly is stable .
    OUTPUT:
    
Stable cardiomegaly without evidence of acute intrathoracic process .