Another possibility that can explain the pain is pericarditis. It causes chest pain aggravated by laughing yawning and deep breathing and also causes radiation of pain to arms. Again an EKG, heat echo and chest X-ray is required. I think you should discuss these possibilities with your doctor.
This is due to the confering of such atypia to progeny-cells further down the lineage of that cell type. The term atypia is also used dermatologically and can be a precursor to melanoma. The related concept of dysplasia refers to an abnormality of development, and includes abnormalities on larger, histopathologic, scales.
The term thanatophoric is Greek for death bearing and dysplasia is Greek for malformation and is used in pathology terminology to refer to an abnormality of development. Thanatophoric dysplasia literally means death bearing malformation.. It is a skeletal disorder in which infants born with this condition are usually stillborn or die shortly after birth from respiratory failure. There are two types of Thanatophoric dysplasia.