Give the major differential diagnosis for each of the following circumstances. Do not use abbreviations, spell out the terms completely.
1. Sudden, unilateral CP after trauma to the chest: {___________}
2. Cough, SOB, and fever: {___________}
3. SOB with a 30-year history of smoking: {___________}
4. Burning epigastric pain that is often exacerbated with ingestion of more acidic foods: {___________}