Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrate unremarkable mediastinal and hilar contours . Heart size is top normal with a configuration suggesting left ventricular hypertrophy . No lobar opacification is evident within the lungs . However , there are faint reticular nodular opacifications in the left lung possibly due to underlying atypical , possibly viral infection . No findings to suggest emphysema . No pleural effusion or pneumothorax . Port - A - Cath terminates in the upper right atrium .
    OUTPUT:
    
Faint reticular nodular opacifications within the left lung may represent an atypical infection , possibly viral . No large focal opacifications evident .