(c).

Lateral view	Consistency of food
Pharyngeal phase	Amount of bolus	Possible swallowing disorders
Nasal penetration		Reduced velopharyngeal closure
Pseudoepiglottis (total laryngectomy)
Coating on pharyngeal walls after swallow		Reduced pharyngeal contraction
Vallecular residue (%) after swallow Aspiration of this (%) after swallow		Reduced tongue base posterior movement
Coating in depression on pharyngeal walls Aspiration of this (%) after swallow		Scar tissue; pharyngeal pouch
Residue at top of airway		Reduced laryngeal elevation
Aspiration of this (%) after swallow
Penetration into airway entrance Aspiration of this (%) after swallow		Reduced laryngeal elevation/reduced closure of airway entrance
Reduced laryngeal closure Aspiration of this (%) after swallow		Reduced closure of airway entrance
Aspiration during swallow		Reduced laryngeal closure
Residue in both pyriform sinuses Aspiration of this (%) after swallow		Reduced laryngeal anterior notion, cricopharyngeal dysfunction, stricture
Residue throughout the pharynx Aspiration of this (%) after swallow		Generalized reduced pression during swallow
Pharyngeal transit time
Posture introduced
Cervical esophageal phase
Esophageal-to-pharyngeal backflow
Tracheoesophageal fistula
Other