FINDINGS:
Compared to prior CT there is likely worsening pleural effusion at the left
 base. The remaining lung fields are clear. Heart size is normal. There is no
 pneumothorax. Right Port-A-Cath is stable in configuration terminating in the
 mid to low SVC.

IMPRESSION:
Worsening left pleural effusion with associated compressive lower lobe
 atelectasis. Underlying pneumonia cannot be excluded in the right clinical
 setting.