Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is enlarged . The mediastinal contours demonstrate mild central venous engorgement . The lungs demonstrate mild pulmonary edema which has worsened slightly compared to prior exam . Additionally there is a small right pleural effusion and a probable small left pleural effusion . There is no pneumothorax . A right PICC tip sits in the lower SVC . Mediastinal clips and a prosthetic valve are stable . A triangular - shaped opacity sits over the left chest , limiting assessment of fine detail .
    OUTPUT:
    
Cardiomegaly and mild pulmonary edema .