Image of the Week: Worsening Shortness of Breath and Nonproductive Cough

A 60-year-old man presents to the emergency department with worsening shortness of breath and a nonproductive cough. He has congestive heart failure and was treated 3 weeks earlier at a neighboring hospital. On examination, he has normal vital signs and marked bilateral pitting edema in the lower extremities. Chest radiograph demonstrates the opacity seen here. The technician recommends administering diuretics and repeating the chest radiograph the following day. What changes in opacity might be seen after repeat radiographic examination?

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