So (ignoring unicode for the moment) you can send a message of 35 * 153 = 5355 characters via the Clickatell API. If you are sending unicode characters (which the OP is not) the character count for a single message is 70, reduced by 7 characters for each segment in concatenated message or 63 * 35 = 2205 unicode characters.
Lung-related causes. Many lung disorders can cause chest pain, including: 1  Pulmonary embolism. 2  This cause of chest pain occurs when a blood clot becomes lodged in a lung (pulmonary) artery, blocking blood flow to lung tissue. 3  Pleurisy.
Overall, the most common causes of chest pain are. 1  Disorders of the ribs, rib cartilage, chest muscles (musculoskeletal chest wall pain), or nerves in the chest. 2  Inflammation of the membrane that covers the lungs (pleuritis) 3  Inflammation of the membrane that covers the heart (pericarditis)