Moderate-sized left pleural effusion, stable, with associated opacification of the left lower lung zone suggestive of atelectasis and/or consolidation. Indeterminate hazy round-like opacity at the left upper lung zone, which could represent loculated pleural fluid, early consolidation, atelectasis, or a pleural-based mass.
Loculated pleural effusion (Uncertain) Simple pleural effusion (Present) Atelectasis (Uncertain) Mass/Solitary lung mass (Uncertain)