May Be Caused by

 Common

Empyema

Ganglioneuroblastoma

Ganglioneuroma

Lymphadenopathy

Lymphoma

Neuroblastoma

Neurofibroma

Pleural effusion

Pleural thickening

 Uncommon

Bochdalek hernia

Bronchogenic cyst

Diaphragmatic hernia

Ewing sarcoma

Germ cell neoplasm

Hemangiopericytoma

Hiatal hernia

Hydatid cyst

Liposarcoma

Morgagni hernia

Osteosarcoma

Pericardial cyst

Rhabdomyosarcoma

Teratoma

Traumatic diaphragmatic hernia