Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest ___ at 17 42 from___ ___ are submitted .
    OUTPUT:
    
Lung volumes remain somewhat low . The perihilar vasculature is prominent and South lies consistent with underlying pulmonary venous hypertension that . On the main pulmonary artery is enlarged consistent with known underlying pulmonary hypertension . There is a reticular nodular interstitial abnormality which may be related to the patient 's underlying aortic stenosis and mitral regurgitation reflecting interstitial edema , although an atypical infectious process or underlying interstitial lung disease should also be considered . Clinical correlation is advised . No pneumothorax . Contrast is seen within the descending and transverse colon . Layering small left effusion and possible smaller right effusion .