Occult carcinoma penis presenting as malignant pleural effusion.

A case of left sided malignant pleural effusion is described in a 41-year-old male, his initial workup for primary site of malignancy was unknown but later found to have hidden squamous cell carcinoma of penis which is one of the rarest site of malignancy that metastasise to pleura. Penile carcinoma manifesting with pleural metastasis and pleural effusion as initial presentation has not been reported previously.