Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are grossly clear without lobar consolidation , pleural effusion , pneumothorax , or pulmonary edema . Left midlung pulmonary nodule is as seen on prior CT . Mild cardiomegaly is unchanged from prior examination .
    OUTPUT:
    
No acute cardiopulmonary process . Left midlung pulmonary nodule as on prior CT .