Golden S is seen in
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.
Left upper lobe collapse
Pleural Effusion
Left lower lobe collapse
Bronchogenic carcinoma
Respiratory Radiology