Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Heart size is slightly enlarged since the prior exam and pulmonary vascular markings are increased , consistent with early cardiac decompensation . Faint opacity in the right lower lobe could represent edema or pneumonia . A vague nodular opacity in the right upper lung measures approxiamtely 1 .1 cm . Rounded density at the left lung base is similar to ___ and likely corresponds to a nipple shadow . No pleural effusion or pneumothorax . Sternotomy wires are intact .
    OUTPUT:
    
1 . Early cardiac decompensation . 2 . Faint right lower lobe opacity could represent either asymmetric edema or pneumonia . 3 . Vague nodule in right upper lung , for which CT or repeat chest radiograph after therapy is recommended . Findings were communicated via phone call by ___ to ___ on ___ at ___ AM .