<prompt> Dimpling in carcinoma is due to:EdemaContraction of Coopers ligamentsSubdermal lymphangitisScarring  <response>: Dimpling: Small depression over skin of breast due to infiltration of ligament of Cooper by carcinoma Puckering: Small fold or wrinkle of skin over the breast due to infiltration of ligament of Cooper by carcinoma Cancer en-cuirasse: Infiltration of breast skin chest wall with multiple nodules ulceration by the carcinoma 