| AACP | American College of Chest Physicians (www.chestnet.org) | In English | → Organizations and associations |
| AACVPR | American Association of Cardiovascular and Pulmonary Rehabilitation | In English | → Associations → Cardiology |
| AART | American Association for Respiratory Therapy | In English | → Associations |
| AATS | American Association for Thoracic Surgery | In English | → Associations → Surgery, orthopaedics, ophthalmology |
| ABCSG | Austrian Breast & Colorectal Cancer Study Group | In English | → Organizations and associations → Oncology |
| ABEA | American Broncho-Esophagological Association | In English | → 6163 |
| BPCO | Broncho-Pneumopathie Chronique Obstructive | In French | |
| COPD | Chronic Obstructive Pulmonary Disease | In English | |
| ELF | European Lung Foundation | In English | → Foundations |
| FFAAIR | Fédération Française des Associations et Amicales d'Insuffisants Respiratoires | In French | → Organizations and associations |
| GOLD | Global initiative for Chronic Obstructive Lung Disease | In English | |
| LVRS | Lung Volume Reduction Surgery | In English | |
| NETT | National Emphysema Treatment Trial | In English | |
| NSLC | Non-Small cell Lung Carcinoma | In English | → Oncology |
| ÖGLUT | Österreichische Gesellschaft für Lungenerkrankungen und Tuberkulose | In German | → Organizations and associations → Infectious diseases |
| ÖGP | Österreichische Gesellschaft für Pneumologie | In German | → Organizations and associations |
| PAE | Pulmonale arterielle Hypertonie | In German | → Blood and circulatory system |
| SARS | Severe Acute Respiratory Disease = SRAS | Syndrome Respiratoire Aigu Sévère | In French |
In English | → Infectious diseases |
| SLC | Small cell Lung Carcinoma | In English | → Oncology |
| SPLF | Société de Pneumologie de Langue Française | In French | → Organizations and associations |
| SRAS | Syndrome Respiratoire Aigu Sévère = SARS (look above) |
In French | |
| VAP | Ventilation-Associated Pneumonia | In English |