Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Cervical spinal stabilization device projects over the chest limiting assessment . Allowing for this , there is no convincing evidence for pneumonia or edema . No large effusion or pneumothorax . The hila appear slightly prominent with mild cardiomegaly , appearing relatively unchanged . No acute osseous abnormality is seen .
    OUTPUT:
    
No acute interval change mild cardiomegaly with hilar prominence not significantly changed from the prior exam . Limited exam due to overlying hardware .