ACR chest radiograph unilateral opacity volume loss atelectasis imaging
This PA erect chest radiograph shows abnormal increased opacity in the right upper to mid lung, with an appearance that may include right-sided volume loss. The pattern is most suspicious for right upper lobe atelectasis (collapse), possibly with associated consolidation/infection. A central airway obstruction such as mucus plugging is one possible cause, but this cannot be determined from this photographed single view.
Left lung appears relatively clear.
No obvious large pleural effusion or pneumothorax.
Cardiac size is not clearly enlarged.
A lateral chest view, clinical history, and the formal radiology report are needed to distinguish collapse from pneumonia and identify the cause. Volume loss on a chest radiograph can shift hilar or mediastinal structures toward the affected side, as described in this radiology reference.
Because this is a photo of a screen rather than the original DICOM study, treat this as a preliminary observation, not a final report. If the person has breathlessness, low oxygen, fever, chest pain, coughing blood, or worsening symptoms, seek urgent in-person medical assessment today.
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