IMAGE: PA lateral chest x-XXXX, XXXX at XXXX p.m. INDICATION: XXXX since end of XXXX. COMPARISON: None FINDINGS: There is obscuration of the left hemidiaphragm, suggesting left retrocardiac airspace disease. This is not identified in the lateral view, which is limited by rotation. No evidence for effusion. IMPRESSION: Left basilar airspace disease. Recommend follow up chest x-XXXX to document resolution XXXX for better characterization.