Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The heart is of normal size with normal cardiomediastinal contours . There is a vague patchy left lower lung opacity equivocal for pneumonia . No pleural effusion or pneumothorax is present . Catheter of a left chest wall port terminates in the right atrium . The left port has been accessed . Osseous structures are unremarkable .
    OUTPUT:
    
Vague left lower lung opacity , possibly pneumonia ; short - term follow - up radiographs may be useful to reassess if clinically indicated .