Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been significant increase in widespread , bilateral pulmonary opacities which are likely related to the patient 's known disseminated pulmonary metastases and possible underlying pulmonary infection . Of note , there is notably increased opacity at the base of the right lung and at the right apex suggesting pneumonia . There is no large pleural effusion . There is no pneumothorax . The cardiomediastinal and hilar contours are grossly stable .
    OUTPUT:
    
Widespread pulmonary opacities are markedly increased from ___ . In particular , there is increased density at the base of the right lung and at the right apex suggesting pneumonia in the setting of known , widespread pulmonary metastatic disease . The differential would also include superimposed CHF .