Golden S is seen in
Left upper lobe collapse
Pleural Effusion
Left lower lobe collapse
Bronchogenic carcinoma
Golden "S" sign is a Reverse "S" sign seen on Frontal Chest Radiograph In patients with Bronchogenic Ca with Right Upper lobe collapse Lower convexity of the Reverse S is due to the mass Upper concavity of the "S" is due to Right UPPER LOBE atelectasis with the upward shifting of the horizontal fissure.
Respiratory Radiology