Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a left - sided single chamber ICD with its tip projecting over the expected location of the right ventricle . Relationship to the anterior wall of the right ventricle is indeterminate . The lung volumes are low , accentuating the cardiomediastinal silhouette and interstitial markings . Moderate cardiomegaly and prominent pulmonary vasculature are unchanged . There is no evidence for pulmonary edema , pulmonary consolidation , pleural effusion , or pneumothorax . There is no evidence of mediastinal hematoma or hemothorax .
    OUTPUT:
    
Left - sided single - chamber ICD , terminating in the right ventricle , though relationship with the anterior ventricular wall can not be determined .