<prompt> Hypertranslucency of lung unilaterally is seen on all exceptPnetunothoraxResection of mammary glandPulm art. obstructionPneumonectomy  <response>: Pneumectomy produces opaque hemithorax not hypertranslucent.Pneumothorax, resection of the mammary gland mastectomy, and pulmonary artery obstruction Pulmonary embolism produce unilateral hypertranslucency. 